EPSG systems

EPSG:4220 Camacupa 1948

Geographic system in latitude and longitude, in use: Angola - Angola proper. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4220
NameCamacupa 1948
TypeGeographic system
Area of use Angola - Angola proper
Angola - Angola proper - onshore and offshore.
Bounds W 8,20° · S -18,02° · E 24,09° · N -5,82°
Countries Angola
DatumCamacupa 1948
Ellipsoid Clarke 1880 (RGS) a = 6378249.145 m · 1/f = 293.465
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Camacupa 1948 to WGS 84 (10) (EPSG:1327) — accuracy 5 m
ScopeOil and gas exploration and production.

proj4 definition

+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-50.9,-347.6,-231 +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:4220.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Camacupa",DATUM["D_Camacupa",SPHEROID["Clarke_1880_RGS",6378249.145,293.465]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Angola

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.