EPSG systems

EPSG:4713 Ayabelle Lighthouse

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

System record
CodeEPSG:4713
NameAyabelle Lighthouse
TypeGeographic system
Area of use Djibouti
Djibouti - onshore and offshore.
Bounds W 41,75° · S 10,94° · E 44,15° · N 12,72°
Countries Djibouti
DatumAyabelle Lighthouse
Ellipsoid Clarke 1880 (RGS) a = 6378249.145 m · 1/f = 293.465
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Ayabelle Lighthouse to WGS 84 (2) (EPSG:6907) — accuracy 17 m
ScopeMilitary survey.

proj4 definition

+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-77,-128,142 +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:4713.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Ayabelle",DATUM["D_Ayabelle",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.