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Reply to "Elevations from various sources"

Good research Pete. That report you posted has a lot of good information.
I haven't read through the whole thing yet, but I can see that the part most relevant to us is the section on relative accuracy. While the absolute accuracy of a single point is 2-3 meters, the mean error of the elevation difference of two points about 2200 meters apart is 1.64 meters. And the mean error of the elevation difference of two points 90 meters or less apart is only 0.78.
This relative accuracy is what matters when determining a start to finish drop.

I'll include Pike's Peak as one of the points I look at.
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