China's homegrown Beidou Navigation Satellite System began providing initial positioning, navigation and timing operational services to China and its surrounding areas from Tuesday, a spokesman for the system said. Six more satellites will be launched in 2012 to further improve the Beidou system and expand its service area to cover most parts of the Asia-Pacific region, spokesman Ran Chengqi, who is also director of the management office of the China Satellite Navigation System, told a press conference. Read More

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