EPSG systems

EPSG:3061 Porto Santo 1995 / UTM zone 28N

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

System record
CodeEPSG:3061
NamePorto Santo 1995 / UTM zone 28N
TypeProjected system — Transverse Mercator
Area of use Portugal - Madeira archipelago onshore
Portugal - Madeira, Porto Santo and Desertas islands - onshore.
Bounds W -17,31° · S 32,35° · E -16,23° · N 33,15°
Countries Portugal
DatumPorto Santo 1995
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4663 — Porto Santo 1995
Unit metre (E east, N north)
Transformation to WGS 84 Porto Santo 1995 to WGS 84 (3) (EPSG:1967) — accuracy 1 m
ScopeTopographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin-15degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing0metre

proj4 definition

+proj=utm +zone=28 +ellps=intl +units=m +towgs84=-210.502,-66.902,-48.476,2.094,-15.067,-5.817,0.485 +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:3061.

WKT (ESRI format, the .prj content)

PROJCS["Porto_Santo_1995_UTM_Zone_28N",GEOGCS["GCS_Porto_Santo_1995",DATUM["D_Porto_Santo_1995",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",-15.0],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.