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Geosynchronous
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1965 Intelsat 1 ("Early Bird") 1st coml geosynchronous communication satellite
1965 Syncom 3, 1st geosynchronous communications satellite, passes from civilian to military control 1963 U.S. Syncom 2, 1st geosynchronous communications satellite, launched 1962 Telstar, 1st geosynchronous communications satellite, launched 1945 Arthur C. Clark proposes relay satellites in geosynchronous orbit |
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