GPS tagging in China

Started May 11, 2012 | Discussions thread
qianp2k
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China has its own "GPS"
In reply to JonB1975, Mar 10, 2013

http://en.wikipedia.org/wiki/Beidou_Navigation_Satellite_System

It's has better accuracy than GPS civilian version. European Galileo 'GPS' also has better accuracy. US current GPS is decades old that needs to be upgraded. US also threatens to cut off GPS or shoot down other foreign 'GPS' anytime at its will if necessary.  That's why other countries have developed their competing GPS so not be controlled by uncle Sam.

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