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Method: Geocentric translations (geog2D domain)
Remarks: Maximum differences are 0.1m in both horizontal and vertical. Distortions in RGF93 v1 are irregular and IGN considers that no systematic transformation to the improved v2 adjustment is possible.
Information source: IOGP
Revision date: 2021-11-04
Unit: degree
Geodetic CRS: RGF93 v1
Datum: Reseau Geodesique Francais 1993 v1
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4171 for recommended coordinate axis representation for the human interface.
Area of use: France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg
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