Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: IGN, http://www.ign.fr/. Also https://geodesie.ign.fr/contenu/fichiers/RGF93v2b-RAF18b.pdf
Revision date: 2021-09-08
Scope: Geodesy.
Remarks: RGF93 v2b is a realization of ETRS89. Third realization of RGF93. Replaces RGF93 v2 (datum code 1312) from 2021-01-05.
Area of use: France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).
WGS84 bounds:
10.38 41.15
-9.86 51.56
Definition: OGC Well Known Text
DATUM["Reseau_Geodesique_Francais_1993_v2b", SPHEROID["GRS 1980",6378137,298.257222101, AUTHORITY["EPSG","7019"]], AUTHORITY["EPSG","1313"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["Reseau Geodesique Francais 1993 v2b", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ID["EPSG",1313]]
Definition: ESRI Well Known Text
DATUM["D_Reseau_Geodesique_Francais_1993_v2b", SPHEROID["GRS_1980",6378137.0,298.257222101]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Reseau Geodesique Francais 1993 v2b", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).", "bbox": { "south_latitude": 41.15, "west_longitude": -9.86, "north_latitude": 51.56, "east_longitude": 10.38 }, "id": { "authority": "EPSG", "code": 1313 } }