north dau navigation system

Three model satellite stations based on China's North Pole navigation system were introduced at an industrial park in Thailand on June 18.

China said it would raise the satellite number of the North Pole positioning system to 30 by 2020 in an effort to improve accuracy to better compete against the US GPS network.

Xinhua announced that a self-developed Chinese navigation satellite system has provided limited positioning services, including navigation and positioning, on December 27, while