EPSG systems

EPSG:7081 RGTAAF07 / UTM zone 44S

Projected system (Transverse Mercator) in use: French Southern Territories - east of 78°E. The full definition below, and conversion in one click.

System record
CodeEPSG:7081
NameRGTAAF07 / UTM zone 44S
TypeProjected system — Transverse Mercator
Area of use French Southern Territories - east of 78°E
French Southern Territories - Amsterdam & St Paul offshore east of 78°E.
Bounds W 78,00° · S -42,04° · E 81,83° · N -34,50°
Countries French Southern Territories
DatumReseau Geodesique des Terres Australes et Antarctiques Francaises 2007
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:7073 — RGTAAF07
Unit metre (E east, N north)
Transformation to WGS 84 RGTAAF07 to WGS 84 (1) (EPSG:9770) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin81degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing10000000metre

proj4 definition

+proj=utm +zone=44 +south +ellps=GRS80 +units=m +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:7081.

WKT (ESRI format, the .prj content)

PROJCS["RGTAAF07_UTM_zone_44S",GEOGCS["GCS_RGTAAF07",DATUM["D_Reseau_Geodesique_des_Terres_Australes_et_Antarctiques_Francaises_2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",81.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — French Southern Territories

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