EPSG:4209 Arc 1950
Geographic system in latitude and longitude, in use: Africa - Botswana, Malawi, Zambia, Zimbabwe. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4209 |
|---|---|
| Name | Arc 1950 |
| Type | Geographic system |
| Area of use |
Africa - Botswana, Malawi, Zambia, Zimbabwe Botswana; Malawi; Zambia; Zimbabwe. |
| Bounds | W 19,99° · S -26,88° · E 35,93° · N -8,19° |
| Also covers | Botswana, Malawi, Zambia, Zimbabwe |
| Datum | Arc 1950 |
| Ellipsoid | Clarke 1880 (Arc) a = 6378249.145 m · 1/f = 293.4663077 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | Arc 1950 to WGS 84 (1) (EPSG:1113) — accuracy 44 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +a=6378249.145 +rf=293.4663077 +towgs84=-143,-90,-294 +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:4209.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Arc_1950",DATUM["D_Arc_1950",SPHEROID["Clarke_1880_Arc",6378249.145,293.4663077]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — Botswana
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.