EPSG systems

EPSG:27209 NZGD49 / Taranaki Circuit

Projected system (Transverse Mercator) in use: New Zealand - North Island - Taranaki mc. The full definition below, and conversion in one click.

System record
CodeEPSG:27209
NameNZGD49 / Taranaki Circuit
TypeProjected system — Transverse Mercator
Area of use New Zealand - North Island - Taranaki mc
New Zealand - North Island - Taranaki meridional circuit area.
Bounds W 173,68° · S -39,78° · E 175,44° · N -38,40°
Countries New Zealand
DatumNew Zealand Geodetic Datum 1949
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4272 — NZGD49
Unit metre (N north, E east)
Transformation to WGS 84 NZGD49 to WGS 84 (2) (EPSG:1564) — accuracy 4 m
ScopeCadastre.

Projection parameters

ParameterValueUnit
Latitude of natural origin-39.135758305555555degree
Longitude of natural origin174.22801175degree
Scale factor at natural origin1unity
False easting300000metre
False northing700000metre

proj4 definition

+proj=tmerc +lat_0=-39.1357583055556 +lon_0=174.22801175 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +units=m +towgs84=59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993 +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:27209.

WKT (ESRI format, the .prj content)

PROJCS["NZGD_1949_Taranaki_Circuit",GEOGCS["GCS_New_Zealand_1949",DATUM["D_New_Zealand_1949",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",300000.0],PARAMETER["False_Northing",700000.0],PARAMETER["Central_Meridian",174.22801175],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",-39.1357583055556],UNIT["Meter",1.0]]

All systems — New Zealand

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