Wednesday, November 13, 2019
Radio Essay example -- essays research papers
 Radio  Radio becomes Americas second national mass medium after magazines  -à  Ã  Ã  Ã  Ã  99% of Americanââ¬â¢s homes have radios  -à  Ã  Ã  Ã  Ã  95% of Americanââ¬â¢s cars have radios  -à  Ã  Ã  Ã  Ã  40% of Americans listen to the radio between 6 am and midnight  -à  Ã  Ã  Ã  Ã  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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