Friday, July 19, 2019
Radio Essay example -- essays research papers
Radio Radio becomes Americas second national mass medium after magazines -     99% of American’s homes have radios -     95% of American’s cars have radios -     40% of Americans listen to the radio between 6 am and midnight -     7% of Americas bathrooms have radios in them Radio: A technological Leap 1835 Samuel F. B. Morse demonstrates his electromagnetic telegraph system March 10, 1876 Alexander Graham Bell sent a message to his associate Thomas Watson with the aid of his new invention, the telephone Heinrich Hertz experiments with radio waves that become known as Hertzian waves and leads to the development of radio broadcasting Guglielmo Marconi used Morse, Bell, and Hertz ideas to transmit waves without the aid of wires In 1912David Sarnoff relayed news from Nantucket Island that he received distress calls from the Titanic on his Marconi wireless device Federal Government Polices the Airwaves Federal government decided to regulated broadcasting almost as soon as it was invented The Radio Act of 1912 required licenses for people who wanted to broadcast or receive messages KDKA Launches Commercial Broadcasting October 27, 1920 the U.S. Department of Commerce used the powers of the Radio Act of 1912 to license KDKA as the nations first commercial station The Radio Audience Expands Quickly In 1922 Americans spent $60 million on receivers More than 500 stations began broa...
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