BeiDou, el GPS de China

China acaba de completar la constelaciòn de satélites de posicionamiento global BeiDou, que junto a GPS, Galileo y Glonass nos proporcionán una gran precisión

[…] with the launch of the new satellites – is expected to have an accuracy of 10cm (four inches) compared with the GPS’s 30cm.[…]

Final satellite in the navigation network – China’s answer to the US-owned GPS – is sent into orbit on Tuesday after technical problems delayed it by a week.