Quote:
Originally Posted by mishuko
how accurate are they? reception in remote areas affect quality/ability to decipher?
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A lot depends on the GPS unit. A good one can be very accurate, especially when averaged over a few minutes at highway speeds. If it were me, I'd run down the road at different speeds and compare to dash speedo, then just use the speedo, making corrections in my head.
Quote:
Originally Posted by mishuko
lack of reception seems to be the biggest drawback.
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GPS coverage is (usually) a lot better than cell phone.