EPSG systems

EPSG:4190 POSGAR 98

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

System record
CodeEPSG:4190
NamePOSGAR 98
TypeGeographic system
Area of use Argentina
Argentina - onshore and offshore.
Bounds W -73,59° · S -58,41° · E -52,63° · N -21,78°
Countries Argentina
DatumPosiciones Geodesicas Argentinas 1998
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Unit degree (Lat north, Lon east)
Transformation to WGS 84 POSGAR 98 to WGS 84 (1) (EPSG:1773) — accuracy 1 m
ScopeHorizontal component of 3D system.

proj4 definition

+proj=longlat +ellps=GRS80 +towgs84=0,0,0 +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:4190.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_POSGAR_1998",DATUM["D_POSGAR_1998",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Argentina

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