Reply to "RRTC Annual Meeting Minutes"

bobthurstonMember

Thanks for the explanation. I was not aware that "professional surveying-quality GPS devices can achieve accuracy within a centimeter" to quote from the 2006 minutes. Can you or anyone explain how the devices achieve that accuracy? And another dumb question, since this still sounds a bit "rougher" than an edm measurement, what would be the advantage of using a gps device (over an edm device) in measuring a calibration course?

1/20/0811:24 PM

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