An analysis of the value of available communication satellite techniques for establishing, in the near future, either low or medium capacity worldwide communication networks. The low-capacity net primarily would enable U.S. government agencies to communicate with a large number of foreign ground stations. The medium capacity net would provide communications for underdeveloped nations. The analysis shows that such networks could be established using current technology in satellites, launch vehicles, and ground station equipment. Cost comparisons with conventional communication methods show that the satellite nets would be attractive only for the longest over-water links. When more advanced satellites are available, they will be able to compete over shorter links.
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