EPSG:4175 Sierra Leone 1968
Geographic system in latitude and longitude, in use: Sierra Leone - onshore. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4175 |
|---|---|
| Name | Sierra Leone 1968 |
| Type | Geographic system |
| Area of use | Sierra Leone - onshore |
| Bounds | W -13,35° · S 6,88° · E -10,26° · N 10,00° |
| Countries | Sierra Leone |
| Datum | Sierra Leone 1968 |
| Ellipsoid | Clarke 1880 (RGS) a = 6378249.145 m · 1/f = 293.465 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | Sierra Leone 1968 to WGS 84 (1) (EPSG:1614) — accuracy 26 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-88,4,101 +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:4175.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Sierra_Leone_1968",DATUM["D_Sierra_Leone_1968",SPHEROID["Clarke_1880_RGS",6378249.145,293.465]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — Sierra Leone
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.