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Old 05-29-2013, 06:31 AM   #51 (permalink)
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Originally Posted by niky View Post
The Racelogic V-Box gives you altitude readings in diagnostic mode, accurate to a tenth of a meter or so, given a good signal and an external antenna.

But it's a squiggly little number on a diagnostic screen full of satellite tracks, GPS time, latitude and longitude coordinates and etcetera.
That's another good option ... just do a change of altitude as a comparative slope.

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