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Scenario: You have two people in the same room, both transmitting their compass bearing.

Question: Is it possible to figure out which direction the other person is standing just from the compass bearing? If possible, how would that be done mathematically?

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It is not possible. I can face in the same direction (with respect to north) and still move around. So it is impossible to figure out where the other person could be just knowing what their orientation is.

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    For what I'm trying to do, GPS isn't accurate enough especially indoors so as far as position goes, all we really have is compass bearing.2012-11-11