Two to four BDS-3 satellites will be launched in 2020 when the BDS-3 system will be fully completed, said Ran Chengqi, director of the China Satellite Navigation Office.
BDS will have the functions of short message communication and international rescue, as well as a satellite-based augmentation service covering China and surrounding areas, said Ren.
BDS system, independently constructed and operated by China, currently has 38 in-orbit satellites including 18 BDS-2 ones and 20 BDS-3 ones.
China started to build the BDS-3 system in 2009. And the construction of the BDS-3 primary system has been completed and started to provide global service since the end of 2018.
China is also planning to finish building a high precision national comprehensive positioning, navigation, and timing system on the basis of the BDS by 2035.
Source: Xinhua News Agency
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