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The reporter learned from the National Space Administration that at 7:47 on April 7, 2022, China successfully launched gaogao-3 with the long march-4 c-yao-38 carrier rocket at Jiuquan Satellite Launch Center < p > gaogao-3 03 satellite is a service satellite in the medium and long term development plan of national civil space infrastructure (2015-2025). The technical state of the satellite is consistent with gaogao-3 02 satellite, and the main load is C-band synthetic aperture radar. The satellite fully inherits the mature technical scheme of gaogao-3. After being launched into orbit, it will network with gaogao-3 and gaogao-3-02 satellites in orbit to form a sea and land radar satellite constellation. It will realize one meter resolution and one-day revisit, which will improve the sea and land observation ability of China's radar satellites, and can meet the requirements of marine rights and interests maintenance, marine disaster prevention and reduction, marine dynamic environment monitoring, marine scientific research, disaster reduction, land, environmental protection, water conservancy Application requirements in agriculture, meteorology and other fields < p > the National Space Administration is responsible for the organization, implementation and management of gaogao-3 03 satellite project, the China Academy of space technology and Shanghai Academy of space technology affiliated to Aerospace Science and Technology Corporation are responsible for the overall development of satellite system and launch vehicle system, the satellite launch measurement and control system department is responsible for the organization and implementation of launch site and measurement and control system, and the constituent units of land observation satellite data center are responsible for the construction and operation of ground system according to their respective division of labor, As the leading user department, the Ministry of natural resources is responsible for the construction and operation of the application system < p > this mission is the 414th launch of the long march series of launch vehicles < p > (Video: he Gaobing, Zhang Jie, Hao Yutong, Li Yuxiang photo: Wang Jiangbo, Yao Junpeng, Jiang Jiali) < / P > < p >

2023-03-22 10:04:52