Training Peaks has a height correction feature. And, unlike most other programs, you can see the effect BEFORE it happens! For the activity shown, I was sitting on my new turbo trainer. So obviously my elevation didn't change. But I forgot to switch the GPS off on my Garmin 310XT, so the file shows the elevation all over the place. Indeed, this pic shows just how inaccurate GPS is for elevation. The proposed elevation correction is shown in red. Clearly, the corrected heights are about right, because I was on a stationary trainer! If, on the other hand, you are going off road, you might not want the files corrected. So it is good to have the correction feature, and it is even better to see the effect before you apply the correction! |
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