The fifty-fifth Beidou navigation satellite, the last satellite of Beidou-3, arrived at the Xichang Satellite Launch Center as scheduled on April 4, marking the final stage of the Beidou global constellation network.
The satellite is a geostationary orbit satellite and will be tested, assembled and refilled at the Xichang Satellite Launch Center, and is scheduled for launch in May, according to Xinhua News Agency.
China Beidou Satellite Navigation System is a global satellite navigation system developed by China itself, and it is also the third mature satellite navigation system after GPS and GLONASS.
Beidou Satellite Navigation System (BDS), US GPS, Russian GLONASS, and EU GALILEO are recognized suppliers of the United Nations Satellite Navigation Commission.
The Beidou satellite navigation system is composed of three parts: the space segment, ground segment and user segment. It can provide high-precision, highly reliable positioning, navigation and timing services for all types of users around the world and around the clock.
It has short message communication capabilities and has initially possessed regional navigation, positioning and timing capabilities. The positioning accuracy is 10 meters, the speed measurement accuracy is 0.2 meters per second, and the timing accuracy is 10 nanoseconds.
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