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In 1864, Maxwell predicted the existense of radio waves. This was later proved true by Heinrich Hertz.
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Mahlon Loomis invented wireless telegraphy. He was able to make a meter connected to a kite move one another.
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The coherer was invented by Calzecchi Onesti. It is a form of detecters used in radio receivers
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Heinrich Hertz proved the existence of radio waves. His transmitter was a spark gap across an inductio coil with an antenna.
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Marconi, an Itallian inventor, sent and received the 1st radio signal. It was sent across the Atlantic ocean despite that everyone thought the radio wave would be lost.
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Lee De Forest created the Audion Tube. It was believed that canadian inventor Reginald Fessenden came up with the idea.
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Fessenden plays a violin, sings, and reas bibles verses into a wireless telephone.
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The first public radio broadcast was a performance of several opera singers. It was live in the Metropolitan Opera House.
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Wireless stations were shut down so the government could use the radio for defense purposes. The vaccum tube was improved for better communication.
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Frank Conrad made the first regular radio broadcast. He is responsible for the first licensed broadcast station called KDKA
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WEAF aired the first paid commercial. Because of this, stations began airing paid commericials to pay for their stations.
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Federal Radio Commissions. Formed in 1927, it organizeing lincensing of transmitters and assigning radio station frequencies.
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WXYC is the first internet radio broadcast. It broadcast 24 hours a day and 365 days a year.
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FCC gave a permit to W1XOJ in Boston in 1937. It is the first FM radio station
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Nikola Telsa is the first person to patent radio technology. He overturned Maroni in 1943.