EPSG systems

EPSG:4203 AGD84

Geographic system in latitude and longitude, in use: Australia - AGD84. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4203
NameAGD84
TypeGeographic system
Area of use Australia - AGD84
Australia - Queensland, South Australia, Western Australia, federal areas offshore west of 129°E.
Bounds W 109,23° · S -38,53° · E 153,61° · N -9,37°
Countries Australia
DatumAustralian Geodetic Datum 1984
Ellipsoid Australian National Spheroid a = 6378160 m · 1/f = 298.25
Unit degree (Lat north, Lon east)
Transformation to WGS 84 AGD84 to WGS 84 (7) (EPSG:1669) — accuracy 3 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=aust_SA +towgs84=-117.763,-51.51,139.061,0.292,0.443,0.277,-0.191 +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:4203.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Australian_1984",DATUM["D_Australian_1984",SPHEROID["Australian",6378160.0,298.25]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Australia

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