EPSG systems

EPSG:22191 Campo Inchauspe / Argentina 1

Projected system (Transverse Mercator) in use: Argentina - west of 70.5°W. The full definition below, and conversion in one click.

System record
CodeEPSG:22191
NameCampo Inchauspe / Argentina 1
TypeProjected system — Transverse Mercator
Area of use Argentina - west of 70.5°W
Argentina - west of 70°30'W.
Bounds W -73,59° · S -52,00° · E -70,50° · N -36,16°
Countries Argentina
DatumCampo Inchauspe
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4221 — Campo Inchauspe
Unit metre (X north, Y east)
Transformation to WGS 84 Campo Inchauspe to WGS 84 (1) (EPSG:1127) — accuracy 9 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin-90degree
Longitude of natural origin-72degree
Scale factor at natural origin1unity
False easting1500000metre
False northing0metre

proj4 definition

+proj=tmerc +lat_0=-90 +lon_0=-72 +k=1 +x_0=1500000 +y_0=0 +ellps=intl +units=m +towgs84=-148,136,90 +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:22191.

WKT (ESRI format, the .prj content)

PROJCS["Argentina_Zone_1",GEOGCS["GCS_Campo_Inchauspe",DATUM["D_Campo_Inchauspe",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",1500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-72.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",-90.0],UNIT["Meter",1.0]]

All systems — Argentina

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