EPSG systems

EPSG:7086 RGAF09 (lon-lat)

Geographic system in latitude and longitude, in use: Caribbean - French Antilles. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:7086
NameRGAF09 (lon-lat)
TypeGeographic system
Area of use Caribbean - French Antilles
French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin.
Bounds W -63,66° · S 14,08° · E -57,52° · N 18,53°
Countries Martinique, St. Barthélemy, St. Martin
DatumReseau Geodesique des Antilles Francaises 2009
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Unit degree (Lon east, Lat north)
Transformation to WGS 84 RGAF09 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:7086.

WKT (ESRI format, the .prj content)

GEOGCS["RGAF09_(lon-lat)",DATUM["Reseau_Geodesique_des_Antilles_Francaises_2009",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Martinique

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