Coordinate Reference Systems
Remarks
May be used for transformations from WGS 84 to NGF-IGN69 height. Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.
Frequently Asked Questions
What is the accuracy of the ETRS89-FRA [RGF93 v1] to NGF-IGN69 height transformation?
This transformation (EPSG:10000) has an accuracy of 0.5m using the Geographic3D to GravityRelatedHeight (IGN1997) method. Area of use: France - mainland onshore.