EPSG systems

EPSG:5524 Corrego Alegre 1961

Geographic system in latitude and longitude, in use: Brazil - Corrego Alegre 1961. Datum, ellipsoid and transformation to WGS 84 below.

EPSG publishes no simple transformation to WGS 84 for this datum: conversion works on the ellipsoid alone and can be off by tens of metres.

System record
CodeEPSG:5524
NameCorrego Alegre 1961
TypeGeographic system
Area of use Brazil - Corrego Alegre 1961
Brazil - onshore - between 18°S and 27°30'S, also east of 54°W between 15°S and 18°S.
Bounds W -58,16° · S -27,50° · E -38,82° · N -14,99°
Countries Brazil
DatumCorrego Alegre 1961
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Unit degree (Lat north, Lon east)
Transformation to WGS 84 No simple transformation published (ellipsoid alone)
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=intl +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:5524.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Corrego_Alegre_1961",DATUM["D_Corrego_Alegre_1961",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Brazil

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