domestic: equal mix of buried cables, microwave radio relay, and fiber-optic systems
international: 40 coaxial submarine cables; satellite earth stations - 10 Intelsat (7 Atlantic Ocean and 3 Indian Ocean), 1 Inmarsat (Atlantic Ocean region), and 1 Eutelsat; at least 8 large international switching centers
United States:
general assessment: a very 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: 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)
Uruguay:
general assessment: some modern facilities
domestic: most modern facilities concentrated in Montevideo; new
nationwide microwave radio relay network
international: satellite earth stations - 2 Intelsat (Atlantic
Ocean)
Uzbekistan:
general assessment: antiquated and inadequate; in
serious need of modernization
domestic: the domestic telephone system is being expanded and technologically improved, particularly in Tashkent and Samarqand, under contracts with prominent companies in industrialized countries; moreover, by 1998, six cellular networks had been placed in operation - four of the GSM type (Global System for Mobile Communication), one D-AMPS type (Digital Advanced Mobile Phone System), and one AMPS type (Advanced Mobile Phone System)