Sunday, February 6, 2011

Communications of America


Telephones - main lines in use:
Field info displayed for all countries in alpha order.
141 million (2009)
country comparison to the world: 2
Telephones - mobile cellular:
Field info displayed for all countries in alpha order.
286 million (2009)
country comparison to the world: 3
Telephone system:
Field info displayed for all countries in alpha order.
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; multiple ocean cable systems provide international connectivity; 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)
Broadcast media:
Field info displayed for all countries in alpha order.
4 major terrestrial television networks with affiliate stations throughout the country, plus cable and satellite networks, independent stations, and a limited public broadcasting sector that is largely supported by private grants; overall, thousands of TV stations broadcasting; multiple national radio networks with large numbers of affiliate stations; while most stations are commercial, National Public Radio (NPR) has a network of some 600 member stations; satellite radio available; overall, nearly 15,000 radio stations operating (2008)
Internet country code:
Field info displayed for all countries in alpha order.
.us
Internet hosts:
Field info displayed for all countries in alpha order.
439 million (2010); note - the US Internet total host count includes the following top level domain host addresses: .us, .com, .edu, .gov, .mil, .net, and .org
country comparison to the world: 1
Internet users:
Field info displayed for all countries in alpha order.
245 million (2009)
country comparison to the world: 2

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