Read this: On 2 November 2006, China announced that from 2008 BeiDou would offer an open service with an accuracy of 10 meters, timing of 0.2 microseconds, and speed of 0.2 meters/second.[citation needed]
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): China would offer a closed service with an accuracy of what?
unanswerable