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W is east
K is west -
By 1980, the radio was made into a big boom box that was used to play music loud. People would carry this around on the streets with them.
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Early 30s and 40s
middle of the depression
radio provided an escape -
First radio invented
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amplitude modulation
535 KHz-1605 KHz -
frequency modulation
88-108 MHz -
organizing the licensing of transmitters
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Aired a 10 minute "commercial" or toll broadcast for an apartment complex charging $50
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Frank Ocean
8xk,later renamed KDKA -
From radio's before, they were always used for listening to your favorite shows. But this one, it's often associated with rock-and-roll radio from the 1970s. This radio is also made more portable than the previous ones.
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Radios saved lives of the people on the titanic
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major edwin armstrong invented the FM transmitter
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Lee De Forest invented the Audion vacuum tube in 1906, which went on to become the most significant electronics innovation of the first half of the 20th century after its application to radio was understood and perfected. The vacuum tube actually originated with Thomas Edison's invention of the electric light bulb.
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the smaller radio was invented
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Satellite radio knocked the previous year radios's off the charts. In the 2000s the XM Radio and Sirius Satellite Radio began. XM radio has over 170 crystal clear, digital channels, covering a wide range of entertainment from music to sports, news and talk shows. All channels are commercial free. The line-up also includes sports, entertainment, and original programming.
