How China built its BeiDou Navigation Satellite System
Sci-Tech
China began constructing its BeiDou Navigation Satellite System (BDS), named after the Chinese term for the Big Dipper constellation, in the 1990s. In just over 30 years, BDS has achieved a range of goals, such as shifting from active to passive positioning and expanding its service coverage from China to the Asia-Pacific region and eventually the globe.
