China to set up BDS international maritime surveillance center Tianjin (XNA) Nov 26, 2015 - China is planning to build an international maritime surveillance center for the Beidou Navigation Satellite System(BDS), an alternative to U.S.-operated GPS, authorities with the Ministry of Transport said on Tuesday. The surveillance center, located in Tianjin Municipality, will monitor and assess the accuracy, operating situation, and signal quality of the system and report to users on ... more

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