EPSG:22392 — Carthage / Sud Tunisie
Carthage / Sud Tunisie (EPSG:22392) — a Projected (metres) system on the clrk80ign datum, used in Tunisia. Parameters, proj4, WKT, accuracy ±0.1 m, plus a free converter…
At a glance
- EPSG
- 22392
- Name
- Carthage / Sud Tunisie
- Kind
- Projected (metres)
- Family
- Lambert Conformal Conic
- Ellipsoid
- clrk80ign
- Accuracy
- ±0.1 m (vs PROJ)
- Countries
- Tunisia
Area of use
| West | 7.49° |
| South | 30.23° |
| East | 11.59° |
| North | 34.66° |
Projection parameters
| Projection | lcc |
| Standard parallel 1 | 33.3 |
| Latitude of origin | 33.3 |
| Central meridian | 9.9 |
| Scale factor | 0.999625769 |
| False easting | 500000 |
| False northing | 300000 |
| Ellipsoid | clrk80ign |
| Units | m |
| Helmert shift to WGS84 | -263,6,431,0,0,0,0 |
+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=9.9 +k_0=0.999625769 +x_0=500000 +y_0=300000 +ellps=clrk80ign +units=m +no_defs +towgs84=-263,6,431,0,0,0,0
PROJCS["Carthage / Sud Tunisie",GEOGCS["GCS_Carthage / Sud Tunisie",DATUM["D_Clarke_1880_IGN",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936269],TOWGS84[-263,6,431,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000],PARAMETER["False_Northing",300000],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],AUTHORITY["EPSG","22392"]]
Sample conversion
Centre of the area of use: WGS84 9.54000, 32.44500 → EPSG:22392 466105.526, 205087.065
Values are within ±0.1 m at the test point.
About the Lambert Conformal Conic family
Carthage / Sud Tunisie uses the Lambert Conformal Conic projection — a cone-based, angle-preserving grid well suited to territories that stretch east–west, defined by one or two standard parallels. It is common for national mapping and for oil-and-gas grids across North Africa and Arabia.
Scale is true along the standard parallel(s) and grows away from them; for precise distance work reduce ground distances to grid using the point scale factor. Confirm both standard parallels and the datum before trusting imported coordinates.
Related systems
- EPSG:2088 — Carthage / TM 6
- EPSG:4223 — Carthage
- EPSG:22332 — Carthage / UTM zone 32N
- EPSG:22391 — Carthage / Nord Tunisie
- EPSG:32632 — WGS 84 / UTM zone 32N
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