An Introduction to Satellite Communications by D.I. Dalgleish

By D.I. Dalgleish

The purpose of this booklet is to provide a transparent and concise exposition of the rules and perform of satellite tv for pc communications by way of describing the improvement of communications-satellite companies. it is going to be priceless either to engineers who've labored in different fields of telecommunication and to scholars.

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The first company to offer service was RCA which hired transponders on an ANIK satellite in December 1973 but later developed and built its own (SATCOM) satellites, the first of which was launched in 1975. The SATCOM system, like the ANIK system, provides a wide range of services including service to remote communities. In this case the remote locations are in Alaska where, for the commencement of service, the State authorities bought 100 small earth stations which were installed in communities which had hitherto had no telephones.

The first company to offer service was RCA which hired transponders on an ANIK satellite in December 1973 but later developed and built its own (SATCOM) satellites, the first of which was launched in 1975. The SATCOM system, like the ANIK system, provides a wide range of services including service to remote communities. In this case the remote locations are in Alaska where, for the commencement of service, the State authorities bought 100 small earth stations which were installed in communities which had hitherto had no telephones.

SATCOM also brought television to these communities for the first time and this provided educational programmes as well as entertainment. The latest SATCOM satellite now serves more than 200 community stations in Alaska. Other early brands of US communications satellite were WESTAR (the first of which was launched by Western Union in 1973) and COMSTAR (ComSat General, 1975). These were followed in the 1980s by ASC (American Satellite Company), FORDS AT (Ford Aerospace), GALAXY (Hughes), GSTAR (GTE), SPACENET (GTE Spacenet), SBS (Satellite Business Systems) and TELSTAR (AT&T).

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