China is going to expand its homegrown Beidou navigation system by 2020 and make it accurate to within centimeters. The Chinese system has 16 satellites serving the Asia-Pacific so far and the number is expected to grow to 30 by 2020.
Read More at Links:
http://geospatialworld.net/News/View.aspx?ID=28098_Article
http://www.gpsdaily.com/reports/Beidou_to_cover_world_by_2020_with_30_satellites_999.html
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