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Method: France geocentric interpolation
Remarks: May be used for transformation of NTF to/from ETR89 and WGS 84 as RGF93 may be considered equivalent to ETRS89 or WGS 84 within the accuracy of the transformation. See tfm codes 1054 and 15939. May be emulated using NTv2 method - see tfm code 15958.
Information source: Institut Geographique National (IGN) document NTG_88.pdf, "Grille de parametres de transformation de coordonnees". http://www.ign.fr
Revision date: 2010-03-30
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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