EPSG:29170Projected
SAD69 / UTM zone 20N
Type
Projected
Unit
metre
Accuracy
19 m
Area of use
South America between 66°W and 60°W, northern hemisphere, onshore, but excluding most of the area south of 4°N.
proj4 definition
+proj=utm +zone=20 +ellps=aust_SA +towgs84=-57,1,-41,0,0,0,0 +units=m +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["SAD69 / UTM zone 20N",GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS 1967 Modified",6378160,298.25],TOWGS84[-57,1,-41,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4618"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","29170"]]