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Marconi was an Italian inventor and hes received the first radio signal in 1895.
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Lee De Forset created the audion tube. A audion tube is a vacuum tube that amplified signals.
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The first radio station was created in 1920 by Frank Conrad. It was first called 8XK, then later named it KDKA. This station is still around in Pittsburg.
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In the 1930's, T.V. made its first appearence. Advertisers would go to T.V. instead of radio because of popularity. Radio lost a lot of money.
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Radio saved itself by playing music. The reason this was such a great thing was because the only way you could listen to music was through jukeboxes, records or live concerts.
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Major Edwin Armstrong created the first FM transmitter. FM transmitters gave a stronger signal and better quality for sound. Thats why music is on FM and Talk is on AM.
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radio has to compete with many other factors. People listen to their music on their phones now and don't really need radio to get their music. The only reason radio is still here is because some cars are not equipped with a place to plug in your AUX cord.
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Radio is still very handy. Radio can give us the news while we are on our way to work. Radio can give us traffic reports while we are driving. Radio can give us those sports stations that we like to here on the go.
