Coordinate Reference Systems
Remarks
Reversible alternative to ETRS89-FRA [RGF93 v2] to NGF-IGN78 height (2) (code 8372).
Frequently Asked Questions
What is the accuracy of the ETRS89-FRA [RGF93 v2] to ETRS89-FRA [RGF93 v2] + NGF-IGN78 height transformation?
This transformation (EPSG:9639) has an accuracy of 0.05m using the Geog3D to Geog2D+GravityRelatedHeight (IGN2009) method. Area of use: France - Corsica onshore.