EPSG systems

EPSG:4322 WGS 72

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

System record
CodeEPSG:4322
NameWGS 72
TypeGeographic system
Area of use World
Bounds W -180,00° · S -90,00° · E 180,00° · N 90,00°
Countries World
DatumWorld Geodetic System 1972
Ellipsoid WGS 72 a = 6378135 m · 1/f = 298.26
Unit degree (Lat north, Lon east)
Transformation to WGS 84 WGS 72 to WGS 84 (2) (EPSG:1238) — accuracy 2 m
ScopeHorizontal component of 3D system.

proj4 definition

+proj=longlat +a=6378135 +rf=298.26 +towgs84=0,0,4.5,0,0,0.554,0.219 +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:4322.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_WGS_1972",DATUM["D_WGS_1972",SPHEROID["WGS_1972",6378135.0,298.26]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — World

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