论文部分内容阅读
西德联邦邮政局决定用八亿一千五百万马克(1982年币值)研制DFS/Postsat 卫星。DFS(德意志通信卫星)又名邮政卫星(Postsat),总共计划制造3颗。DFS-1计划在1987年6月用阿里安-4系列火箭发射到西经23.5
The Post Office in West Germany decided to develop DFS / Postsat satellites at DKr 851 million (1982 currency). DFS (Deutsche Telekom), also known as Postsat, plans to build a total of three. The DFS-1 is scheduled to launch on June 1987 with the Arian-4 series rocket to 23.5 west longitude