FourDimensionalPointType-geoidUndulation
The distance of the geoid above (positive) or below (negative) the mathematical reference ellipsoid at the location of the point.
FourDimensionalPointType-geoidUndulation
The distance of the geoid above (positive) or below (negative) the mathematical reference ellipsoid at the location of the point.
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The distance of the geoid abov ...... at the location of the point.