“东方红三号”卫星定点成功本刊讯我国新一代通信卫星“东方红三号”在西安卫星测控中心跟踪与控制下，于１９９７年５月２０日１５点０１分成功定点于东经１２５度赤道上空。国务院、中央军委致电国防科工委、中国航天工业总公司，向参加研制、发射、测控及各种保障工作... “Dongfanghong-3” satellite fixed-point success of our newsletter China’s new generation of communications satellite “Dongfanghong-3” in Xi’an satellite monitoring and control center under the track and control, at 15:01 on May 20, 1997 successfully fixed at longitude 125 degrees Over the equator The State Council and the Central Military Commission call the Commission of Science, Technology and Industry for National Defense, China Aerospace Industry Corporation, to participate in the development, launch, monitoring and control and various security work ...