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Having been a surveyor in a previous time of my life, I can say that at least at that time (15 years ago or so) GPS was really quite good at lat/lon type coordinates, but not quite so good at eleva...
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Having been a surveyor in a previous time of my life, I can say that at least at that time (15 years ago or so) GPS was really quite good at lat/lon type coordinates, but not quite so good at eleva...