I don't think the GPS is accurate down to the one meter level.
I did a Google search to check feasibility of a plan I have for GPS use, and it looks like it's going to be accurate within about 20-30 feet which is about 6-10 meters.
Sometimes it's much worse, depending on whether you are indoors or outdoors, etc.
Unfortunately I only have a iPhone first generation so I can't check the GPS myself :-(.
D
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