EPSG systems

EPSG:7084 RGF93 v1 (lon-lat)

Geographic system in latitude and longitude, in use: France. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:7084
NameRGF93 v1 (lon-lat)
TypeGeographic system
Area of use France
France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).
Bounds W -9,86° · S 41,15° · E 10,38° · N 51,56°
Countries France
DatumReseau Geodesique Francais 1993 v1
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Unit degree (Lon east, Lat north)
Transformation to WGS 84 RGF93 v1 to WGS 84 (1) — accuracy 1 m
ScopeGIS.

proj4 definition

+proj=longlat +ellps=GRS80 +towgs84=0,0,0 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:7084.

WKT (ESRI format, the .prj content)

GEOGCS["RGF93_(lon-lat)",DATUM["D_RGF_1993",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — France

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.