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The 2024 AGIC Education and Training Symposium will be held in Prescott, Arizona at the Prescott Resort and Conference Center on August 27 - August 30, 2024.  Registration is now open, with early bird registration rates available until July 26th.  Visit the symposium website for registration details and other information.


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Reevaluating the Elevations of Colorado Mountain Summits

One of the most challenging environments for accurate geoid models is in high, rugged mountain areas. Orthometric heights derived from GNSS and a geoid model can easily have errors at the decimeter level.

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