Radio Essay example -- essays research papers

communicate radio becomes Americas second national mass medium after magazines-99% of Americans homes have radios-95% of Americans cars have radios-40% of Americans listen to the radio between 6 am and midnight-7% of Americas bathrooms have radios in themRadio A technological springiness1835 Samuel F. B. Morse demonstrates his electromagnetic telegraph systemMarch 10, 1876 Alexander whole wheat flour Bell sent a message to his associate Thomas Watson with the forethought of his new invention, the telephoneHeinrich Hertz experiments with radio waves that become known as Hertzian waves and leads to the development of radio broadcastingGuglielmo Marconi used Morse, Bell, and Hertz ideas to convey waves without the aid of wiresIn 1912David Sarnoff relayed news from Nantucket Island that he received distress calls from the big on his Marconi wireless device Federal Government Polices the Airwaves Federal government activity decided to regulated broadcasting almost as soon as it was inventedThe 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 stationThe Radio Audience Expands QuicklyIn 1922 Americans spent $60 million on receiversMore than 500 stations began broa...