EPSG systems

EPSG:22392 Carthage / Sud Tunisie

Projected system (Lambert Conic Conformal (1SP)) in use: Tunisia - south of 34°39'N. The full definition below, and conversion in one click.

System record
CodeEPSG:22392
NameCarthage / Sud Tunisie
TypeProjected system — Lambert Conic Conformal (1SP)
Area of use Tunisia - south of 34°39'N
Tunisia - onshore south of 38.5 grads North (34°39'N) .
Bounds W 7,49° · S 30,23° · E 11,59° · N 34,66°
Countries Tunisia
DatumCarthage
Ellipsoid Clarke 1880 (IGN) a = 6378249.2 m · 1/f = 293.466021294
Base geographic system EPSG:4223 — Carthage
Unit metre (X east, Y north)
Transformation to WGS 84 Carthage to WGS 84 (1) (EPSG:1130) — accuracy 14 m
ScopeEngineering survey, topographic mapping.
In CarteBuilt-in grid (code TS), with the reference cities of the guide.

Projection parameters

ParameterValueUnit
Latitude of natural origin37grad
Longitude of natural origin11grad
Scale factor at natural origin0.999625769unity
False easting500000metre
False northing300000metre

proj4 definition

+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=9.9 +k_0=0.999625769 +x_0=500000 +y_0=300000 +a=6378249.2 +b=6356515 +towgs84=-263,6,431,0,0,0,0 +units=m +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:22392.

WKT (ESRI format, the .prj content)

PROJCS["Sud_Tunisie",GEOGCS["GCS_Carthage",DATUM["D_Carthage",SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",300000.0],PARAMETER["Central_Meridian",9.9],PARAMETER["Standard_Parallel_1",33.3],PARAMETER["Scale_Factor",0.999625769],PARAMETER["Latitude_Of_Origin",33.3],UNIT["Meter",1.0]]

All systems — Tunisia

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