Space Systems/Loral (SSL) will build the BSat-4a direct-to-home television broadcast satellite for Broadcast Satellite System Corp. (B-Sat) of Japan under a contract that both companies announced June 18. Industry officials had said the contract for the satellite, which is relatively small for...
SciNews补发 本视频来自YouTube频道SciNews 版权归原作者所有2017年09月30日 05:56,Intelsat 37e和BSAT 4a通信卫星在圭亚那太空中心由阿丽亚娜5号运载火箭成功发射任务简介:Intelsat 37e通讯卫星(美国) + BSAT-4a通讯卫星(日本),发射原计划于9月6日进行,后一级氢氧