International work carried out in this field is presented. The space segment of the International Maritime Satellite (INMARSAT) organization is described. Eight geostationary satellites are in service for the main three oceanic regions. Spot beam satellites are to be used at the end of the nineties. The ground segment measures the liaison between satellites and the international telecommunication network. Satellite communication antennas are presented. Satellite navigation systems, GPS (Global Positioning System) for the U.S. and GLONASS (Global Navigation Satellite System) for the USSR are reported.
Utilisation des Satellites Par l'Aviation Civile (Satellite Utilization by Civil Aviation)
1989
38 pages
Report
No indication
English
Unmanned Spacecraft , Air Transportation , Global Navigation Systems , Navigation Systems , Artificial satellites , Civil aviation , International cooperation , Aerospace environments , Global positioning system , Ground stations , Satellite antennas , Satellite navigation systems , Synchronous satellites , Telecommunication , U.s.s.r , United states , Foreign technology
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