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by wmf 2212 days ago
It depends on the orbit. AFAIK GPS, GLONASS, and Galileo have global coverage (my phone can see all of them in the US).
1 comments
jburgess777 2212 days ago
The Chinese system is BeiDou. If Wikipedia is to be believed, they will only achieve global coverage in 2020.

https://en.wikipedia.org/wiki/BeiDou

link