INMARSAT Communications System: A Systems Approach

This study describes the history of satellite communications from its beginning to the current date and explains the major components of satellite communications. It describes the satellite communications technology, and identifies some of its problems such as speech echo, data transmission, and digital network synchronization. It deals with U.S. military and international satellite communications systems, and especially with Inmarsat. It also presents the possible threats for a satellite communications system and discusses how to deal with them. Finally, it introduces some conditions and technical considerations of the Inmarsat system in the Hellenic environment and provides some basic information for choosing a satellite system from an economic point of view.