EPSG systems

EPSG:4223 Carthage

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

System record
CodeEPSG:4223
NameCarthage
TypeGeographic system
Area of use Tunisia
Tunisia - onshore and offshore.
Bounds W 7,49° · S 30,23° · E 13,67° · N 38,41°
Countries Tunisia
DatumCarthage
Ellipsoid Clarke 1880 (IGN) a = 6378249.2 m · 1/f = 293.466021294
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Carthage to WGS 84 (1) (EPSG:1130) — accuracy 14 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=clrk80ign +towgs84=-263,6,431 +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:4223.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Carthage",DATUM["D_Carthage",SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Tunisia

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