Encyclopedia > Communications in the United States

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Communications in the United States

Telephones - main lines in use: 178 million (1999)

Telephones - mobile cellular: 55.312 million (1997)

Telephone system:
domestic: a large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country
international: 24 ocean cable systems in use; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000)

Radio broadcast stations: AM about 5,000, FM about 5,000, shortwave 18 (1998)

Radios: 575 million (1997)

Television broadcast stations: more than 1,500 (including nearly 1,000 stations affiliated with the five major networks - NBC, ABC, CBS, FOX, and PBS; in addition, there are about 9,000 cable TV systems) (1997)

Televisions: 219 million (1997)

Internet Service Providers (ISPs): 7,600 (1999 est.)

Country code (Top level domain): US

See also : United States of America

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