EPSG systems

EPSG:2189 Azores Central 1948 / UTM zone 26N

Projected system (Transverse Mercator) in use: Portugal - Azores C - onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:2189
NameAzores Central 1948 / UTM zone 26N
TypeProjected system — Transverse Mercator
Area of use Portugal - Azores C - onshore
Portugal - central Azores onshore - Faial, Graciosa, Pico, Sao Jorge, Terceira.
Bounds W -28,90° · S 38,32° · E -26,97° · N 39,14°
Countries Portugal
DatumAzores Central Islands 1948
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4183 — Azores Central 1948
Unit metre (E east, N north)
Transformation to WGS 84 Azores Central 1948 to WGS 84 (1) (EPSG:1886) — accuracy 6 m
ScopeTopographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin-27degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing0metre

proj4 definition

+proj=utm +zone=26 +ellps=intl +units=m +towgs84=-104,167,-38 +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:2189.

WKT (ESRI format, the .prj content)

PROJCS["Azores_Central_1948_UTM_Zone_26N",GEOGCS["GCS_Azores_Central_1948",DATUM["D_Azores_Central_Islands_1948",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-27.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Portugal

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