Geoid Height & Ellipsoidal Elevation Calculator
GPS receivers natively output ellipsoidal elevation ($h$) above WGS84 ellipsoid. Convert to orthometric height ($H$) above Mean Sea Level using Geoid undulation models ($N$).
GPS receivers natively output ellipsoidal elevation ($h$) above WGS84 ellipsoid. Convert to orthometric height ($H$) above Mean Sea Level using Geoid undulation models ($N$).