"Mxsmanic" wrote in message
...
It does indeed measure angles, rest assured. Of course, it does a lot
more than that.

It is complex. But it's not triangulation. If it were, you would only need
two well-placed satellites to fix a position. You need three satellites to
fix a 2-D position and four to fix a 3-D.

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Travis
Lake N3094P
PWK