Coordinate Scaling, Grid to Ground, Geoid

Moderator: Carlson Support

Coordinate Scaling, Grid to Ground, Geoid

Postby byanez » Thu Nov 25, 2010 4:23 am

I would like to convert Grid to Ground in State Plane Coordinates. I used the scaling routine in the points menu. I included two NGS points in the scaling. I notice that the Carlson routine returns different Elevation Factors. I did not use a geoid model. Does this account for the discrepancy? If so, how do I load a geoid model into Carlson?

thanks.
byanez
 
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