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Name: NTF to RGF93 v2b (1)
Method: Geocentric translation by Grid Interpolation (IGN)
Grid Files: gr3df97a.txt
Remarks: Parameter file is from NTF to RGF93 v1 (code 9327), assuming that RGF93 v1 is equivalent to RGF93 v2b within the accuracy of the transformation. May be emulated using NTv2 method - see CT code 9891.
Information source: Institut Geographique National (IGN) document NTG_88.pdf, "Grille de parametres de transformation de coordonnees". http://www.ign.fr
Revision date: 2022-01-24
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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