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on July 26, 2018
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The World Economy Runs on GPS. It Needs a Backup P...
full-duplex transmission of data in two directions simultaneously in the same channel. SMS is a done via Beidou-1 satellites, and Beidou-1 don't serve as positioning at all today.
Beidou-2 is just like GPS, positioning service only, no SMS or shit.
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Beidou-2 is just like GPS, positioning service only, no SMS or shit.