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Guglielmo Marconi created the first radio signal and radio. It was thought that maybe he wasn't th original inventor, but no one questioned it.
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The audion tube was an amplifier that made sound much better sounding. It was Lee de Forest who invented this.
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KDKA was the first radio station that was launched. It was originally named the 8XK, it's still around and people listen to it in Pitsburg Pennyslyvania.
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New York station ran a 10 min commercial. It was the first commercial about an apartment complex and was charged $50.
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Fm Waves are frequency Modulation 88-108 MHZ. Normally they are used with music. Fm waves move closer to each other
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Personal Radio stations were known as Uncle Charlies. People would host radio stations from their basements. No one had a license, so everyone made them and they would interfere with the originals stations
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The Tv was a competitor for the radio because radio was designed only for voice, while tv you saw people. Some people got angry about this.
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Adolph Rickenbacker produces first electric guitar and Bell Labs creates first stereophonic sound recordings
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Controls who hosts radio stations, they make you havge licesnces so no more Uncle Charlie stations that would interupt.
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Call Letters were put in as the border for the radio stations. Anything East started with a W and anything east started with K. Any station before was an exception.
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AM waves move up and down and they use 535 KHzz-1605KHz and they are normally used wuth talk shows.
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first music chart was published in the U.S.
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During Great Depresdsion when Radio soared because people would come home and listen to the radio as a way of escaing issues of natural life.
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GunSmoke, The Shadow, Superman, Dick Tracey, Little Orphan Annie
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Les Paul builds one of the first solid-body electric guitars
