The BeiDou 北斗 (translation in English “Big Bear”) is a Positioning System like GPS, GLONASS and Galileo. China is committed to building its own satellite system for navigation, positioning and timing called Beidou. It builds on the existing system and to make the Compass US GPS China independently. Unlike GPS, GLONASS and Galileo and geostationary satellites are used for Beidou. Beidou is initially unlocked for civilian use only in Asia Pacific and will be available worldwide from 2020th Mid-2015 had brought to orbit the Asians already 19 and thus more than half of the total of 35 planned satellites.