Satellite Communications White Papers

Elliptic Orbit Satellite System

Overview Hitachi, Ltd. has developed the "Elliptic Orbit Satellite System" (ES System), which employs three satellites moving in different elliptical orbits. The satellites have overlapping 8-hour usage periods to provide service on a 24-hour-a day basis, with one of the satellites always nearly directly over Japan (minimum angle of elevation 70, for Tokyo 80).

Further White Paper Details
PublisherHitachi File FormatPDF, requires Acrobat Rdr 5
Date PublishedMay 2004 Downloads214
FormatWhite Papers   
Topics
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