EPSG systems

EPSG:27701 WGS 84 / Equi7 Africa

Projected system (Azimuthal Equidistant) in use: Africa - Equi7. The full definition below, and conversion in one click.

Convert coordinates Open in Carte Download the .prj

System record
Code	EPSG:27701
Name	WGS 84 / Equi7 Africa
Type	Projected system — Azimuthal Equidistant
Area of use	Africa - Equi7 Africa and the Arabian peninsula.
Bounds	W -31,68° · S -43,89° · E 79,30° · N 38,80°
Countries	World
Datum	World Geodetic System 1984
Ellipsoid	WGS 84 a = 6378137 m · 1/f = 298.257223563
Base geographic system	EPSG:4326 — WGS 84
Unit	metre (E east, N north)
Transformation to WGS 84	None: this is WGS 84
Scope	Continental mapping of raster data.

Projection parameters

Parameter	Value	Unit
Latitude of natural origin	8.5	degree
Longitude of natural origin	21.5	degree
False easting	5621452.02	metre
False northing	5990638.423	metre

proj4 definition

+proj=aeqd +lat_0=8.5 +lon_0=21.5 +x_0=5621452.02 +y_0=5990638.423 +datum=WGS84 +units=m +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:27701.

WKT (ESRI format, the .prj content)

PROJCS["WGS_1984_Equi7_Africa",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Azimuthal_Equidistant"],PARAMETER["False_Easting",5621452.02],PARAMETER["False_Northing",5990638.423],PARAMETER["Central_Meridian",21.5],PARAMETER["Latitude_Of_Origin",8.5],UNIT["Meter",1.0]]

All systems — World

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

Projection parameters

proj4 definition

WKT (ESRI format, the .prj content)

Other systems — World