rgf93_ntf.gsb
These parameter values are taken from NTF to RGR93 (2) (code 15940) as RGR93 may be considered equivalent to ETRS89 within the accuracy of the transformation. Emulation of France Geocentric Interpolation method tfm code 1054.
OGP
2007-05-29
Geodesy.
See CRS code 4275 for recommended coordinate axis representation for the human interface.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg