- active communications satellite
- See communications satellite.
Military dictionary. 2000.
Military dictionary. 2000.
Communications satellite — A communications satellite (sometimes abbreviated to COMSAT) is an artificial satellite stationed in space for the purpose of telecommunications. Modern communications satellites use a variety of orbits including geostationary orbits, Molniya… … Wikipedia
Communications Satellite Corporation — (COMSAT) A U.S. company created by an act of Congress in 1962 to provide communications via satellites. COMSAT leases satellite circuits to many U.S. companies and is active in international communications through partial ownership in the… … IT glossary of terms, acronyms and abbreviations
communications satellite — An orbiting vehicle that relays signals between communications stations. There are two types: active, which receives, regenerates, and retransmits signals between stations; and passive, which reflects communications signals between stations … IT glossary of terms, acronyms and abbreviations
active — actively, adv. activeness, n. /ak tiv/, adj. 1. engaged in action; characterized by energetic work, participation, etc.; busy: an active life. 2. being in a state of existence, progress, or motion: active hostilities. 3. involving physical effort … Universalium
Communications in Australia — is dominated by the telecommunications provider, Telstra. Other telephone carriers include Optus (owned by Singapore Telecommunications), AAPT and Powertel (both owned by Telecom New Zealand), Soul (SP Telemedia), Vodafone and Hutchison 3G (3… … Wikipedia
active satellite — active satellite, a communications satellite designed to receive, amplify, and retransmit microwave signals of television, radio, or telephone, sent to a distant part of the world … Useful english dictionary
satellite communication — Introduction in telecommunication, the use of artificial satellites to provide communications links between various points on Earth (Earth satellite). Communications satellites relay voice, video, and data signals between widely separated fixed… … Universalium
Satellite — This article is about artificial satellites. For natural satellites, also known as moons, see Natural satellite. For other uses, see Satellite (disambiguation). An animation depicting the orbits of GPS satellites in medium Earth orbit … Wikipedia
Satellite phone — A satellite telephone, satellite phone, or satphone is a type of mobile phone that connects to orbiting satellites instead of terrestrial cell sites. Depending on the architecture of a particular system, coverage may include the entire Earth, or… … Wikipedia
active — /ˈæktɪv / (say aktiv) adjective 1. in a state of action; in actual progress or motion: active hostilities. 2. constantly engaged in action; busy: an active toddler. 3. having the power of quick motion; nimble: an active animal. 4. highly involved … Australian English dictionary