EPSG:4171Geographic 2D
RGF93 v1
Tipo
Geographic 2D
Unità
degree (supplier to define representation)
Area d'uso
France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).
Definizione proj4
+proj=longlat +ellps=GRS80 +no_defs +type=crs
Well-Known Text (WKT)
GEOGCS["RGF93 v1",DATUM["Reseau_Geodesique_Francais_1993_v1",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6171"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4171"]]