EPSG systems

EPSG:4251 Liberia 1964

Geographic system in latitude and longitude, in use: Liberia - onshore. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4251
NameLiberia 1964
TypeGeographic system
Area of use Liberia - onshore
Bounds W -11,52° · S 4,29° · E -7,36° · N 8,52°
Countries Liberia
DatumLiberia 1964
Ellipsoid Clarke 1880 (RGS) a = 6378249.145 m · 1/f = 293.465
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Liberia 1964 to WGS 84 (1) (EPSG:1160) — accuracy 26 m
ScopeGeodesy.

proj4 definition

+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-90,40,88 +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:4251.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Liberia_1964",DATUM["D_Liberia_1964",SPHEROID["Clarke_1880_RGS",6378249.145,293.465]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

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