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Geography Categories
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| Definition Of: |
United StatesCommunications
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Telephones - main lines in use: |
181,599,900 (2003) | |
Telephones - mobile cellular: |
158.722 million (2003) | |
Telephone system: |
general assessment: a large, technologically advanced, multipurpose communications 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: country code - 1; 24 ocean cable systems in use; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000) | |
Radio broadcast stations: |
AM 4,854, FM 8,950, shortwave 18 (2004) | |
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 country code: |
.us | |
Internet hosts: |
115,311,958 (2002) | |
Internet Service Providers (ISPs): |
7,000 (2002 est.) | |
Internet users: |
159 million (2002)
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More about United States:
Introduction
Geography
People
Government
Economy
Transportation
Military
Transnational Issues
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World Factbook INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 3 4 5 6 A: Page 1 of 6.
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