EPSG:CODE

Corrego Alegre 1970-72 to SAD69 (1)

EPSG:4225 → EPSG:4618

Coordinate Reference Systems

Source CRS
EPSG:4225
Corrego Alegre 1970-72
Geographic 2D
Target CRS
EPSG:4618
SAD69
Geographic 2D

Transform Coordinates

Remarks

Derived by Brazilian Institute of Geography and Statistics (IBGE) in 1983 at Chua origin point.

Frequently Asked Questions

How do I convert Corrego Alegre 1970-72 to SAD69 coordinates?

Use the coordinate transformation tool above to convert Corrego Alegre 1970-72 (EPSG:4225) to SAD69 (EPSG:4618). Enter your source coordinates and click Transform. This uses the Geocentric translations (geog2D domain) method with 5m accuracy.

How do I transform Corrego Alegre 1970-72 to SAD69 using Proj4js?

Use proj4.defs to define both EPSG:4225 and EPSG:4618, then call proj4(source, target, [x, y]) to convert coordinates programmatically.

What is the accuracy of the Corrego Alegre 1970-72 to SAD69 transformation?

This transformation (EPSG:6191) has an accuracy of 5m using the Geocentric translations (geog2D domain) method. Area of use: Brazil - Corrego Alegre 1970-1972.