EPSG systems

EPSG:2095 Bissau / UTM zone 28N

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

System record
CodeEPSG:2095
NameBissau / UTM zone 28N
TypeProjected system — Transverse Mercator
Area of use Guinea-Bissau - onshore
Bounds W -16,77° · S 10,87° · E -13,64° · N 12,69°
Countries Guinea-Bissau
DatumBissau
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4165 — Bissau
Unit metre (E east, N north)
Transformation to WGS 84 Bissau to WGS 84 (1) (EPSG:1547) — accuracy 25 m
ScopeEngineering survey, topographic 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=-173,253,27 +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:2095.

WKT (ESRI format, the .prj content)

PROJCS["Bissau_UTM_Zone_28N",GEOGCS["GCS_Bissau",DATUM["D_Bissau",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 — Guinea-Bissau

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