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1963年12月22日、27日,上海机电设计院(时属国防部第五研究院建制,现为中国空间技术研究院北京空间机电研究所)负责研制的2枚“探空七号甲”(代号T-7A)气象火箭在安徽广德境内的华东气象火箭探空基地进行了该火箭的第一批次飞行试验。这批次试验所用的火箭为第一状态的T-7A火箭,试验中实测2枚火箭的弹道顶点高度均为海拔125km(火箭起飞点的海拔为66m)。T-7A火箭为固体助推器和液体主火箭以及气象探测箭头组成的无控制两级火箭。按主火箭装载(即加
December 22, 1963, on the 27th, Shanghai Mechanical and Electrical Design Institute (which belongs to the Fifth Research Institute of Defense system, is now China Institute of Space Technology Beijing Institute of Space Electromechanics) is responsible for the development of 2 "(Code T-7A) meteorological rockets in Anhui Guangde East China meteorological rocket sounding base of the rocket’s first batch of flight tests. The rocket used in this batch of tests is the T-7A rocket of the first state. The measured ballistic apex height of the two rockets at the test is 125km above sea level (the rocket take-off point has an elevation of 66m). The T-7A rocket is a non-controlled two-stage rocket consisting of a solid booster, a liquid main rocket and a weather probe arrow. According to the main rocket loading (ie plus