EPSG:CODE

ETRS89-FRA [RGF93 v2] to NGF-IGN78 height (2)

EPSG:9776 → EPSG:5721

Coordinate Reference Systems

Source CRS
EPSG:9776
ETRS89-FRA [RGF93 v2]
Geographic 3D
Target CRS
EPSG:5721
NGF-IGN78 height
Vertical

Remarks

Replaces ggf97a model (code 10002)]. Replaced by RAC23 model (code 10506). Accuracy at each grid node is given in the geoid model file. For reversible alternative see ETRS89-FRA [RGF93 v2] to ETRS89-FRA [RGF93 v2] + NGF-IGN78 height (2) (code 9639).

Frequently Asked Questions

What is the accuracy of the ETRS89-FRA [RGF93 v2] to NGF-IGN78 height transformation?

This transformation (EPSG:8372) has an accuracy of 0.05m using the Geographic3D to GravityRelatedHeight (IGN2009) method. Area of use: France - Corsica onshore.