EPSG:4310 Yoff
Geographic system in latitude and longitude, in use: Senegal. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4310 |
|---|---|
| Name | Yoff |
| Type | Geographic system |
| Area of use |
Senegal Senegal - onshore and offshore. |
| Bounds | W -20,22° · S 10,64° · E -11,36° · N 16,70° |
| Countries | Senegal |
| Datum | Yoff |
| Ellipsoid | Clarke 1880 (IGN) a = 6378249.2 m · 1/f = 293.466021294 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | Yoff to WGS 84 (2) (EPSG:6903) — accuracy 5 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=clrk80ign +towgs84=-30,190,89 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4310.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Yoff",DATUM["D_Yoff",SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — Senegal
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.