EPSG:20935 Arc 1950 / UTM zone 35S
Projected system (Transverse Mercator) in use: Africa - Botswana, Zambia and Zimbabwe - 24°E to 30°E. The full definition below, and conversion in one click.
| Code | EPSG:20935 |
|---|---|
| Name | Arc 1950 / UTM zone 35S |
| Type | Projected system — Transverse Mercator |
| Area of use |
Africa - Botswana, Zambia and Zimbabwe - 24°E to 30°E Botswana - east of 24°E; Zambia - between 24°E and 30°E; Zimbabwe - west of 30°E . |
| Bounds | W 24,00° · S -25,84° · E 30,00° · N -8,31° |
| Countries | Botswana, Zambia, Zimbabwe |
| Datum | Arc 1950 |
| Ellipsoid | Clarke 1880 (Arc) a = 6378249.145 m · 1/f = 293.4663077 |
| Base geographic system | EPSG:4209 — Arc 1950 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | Arc 1950 to WGS 84 (1) (EPSG:1113) — accuracy 44 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 27 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 10000000 | metre |
proj4 definition
+proj=utm +zone=35 +south +a=6378249.145 +rf=293.4663077 +units=m +towgs84=-143,-90,-294 +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:20935.
WKT (ESRI format, the .prj content)
PROJCS["Arc_1950_UTM_Zone_35S",GEOGCS["GCS_Arc_1950",DATUM["D_Arc_1950",SPHEROID["Clarke_1880_Arc",6378249.145,293.4663077]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",27.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Botswana
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.