China's GPS 'rival' Beidou - Hackdot

Re:China's GPS 'rival' Beidou by _Gyan_ on Monday October 22, 2018 @03:08PM (#18277371)

Appears that two-way comms was required for Beidou-1, not BeiDou-2. See https://space.stackexchange.com/questions/30839/is-two-way-c...

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