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Method: NTv2
Grid Files: rgf93_ntf.gsb
Remarks: These parameter values are taken from NTF to RGR93 (2) (code 15940) as RGR93 may be considered equivalent to WGS 84 within the accuracy of the transformation. Emulation of France Geocentric Interpolation method tfm code 15939.
Information source: OGP
Revision date: 2007-05-29
Unit: degree
Geodetic CRS: NTF
Datum: Nouvelle Triangulation Francaise
Ellipsoid: Clarke 1880 (IGN)
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4275 for recommended coordinate axis representation for the human interface.
Area of use: France - onshore.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg
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