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The first successful radio transmission and was patented in 1897. This invention is credited with saving the 700 people who survived the titanic shipwreck.
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Set up a broadcasting station that used spark gap. But made it so that he could modulated a carrier voice and then later music.
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Marconi opened the first radio factory in Chelmsford, England
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Armstrong is credited with patenting 3 different inventions that have made todays radio what it is. It increased the frequency radio could be head without headphones
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From the early 1920s the aircrafts used commercial AM radio to navigate radio stations. Thye used this method until the 1960s.
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8MK was the first station that broadcasted a news show which is owned under CBS today.
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A pocket radio introduced names TR-1. Powered by a 22.5 v battery.
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Sony introduced this, with was small enough to fit in a vest pocket along with having a small battery.
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Malamud introduces the first internet talk show that held weekly guest that would talk to computer experts.
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Internet radio began to pay royalties for performance and publishing royals
