EPSG:9017 IGb08
Geographic system in latitude and longitude, in use: World. Datum, ellipsoid and transformation to WGS 84 below.
EPSG publishes no simple transformation to WGS 84 for this datum: conversion works on the ellipsoid alone and can be off by tens of metres.
| Code | EPSG:9017 |
|---|---|
| Name | IGb08 |
| Type | Geographic system |
| Area of use | World |
| Bounds | W -180,00° · S -90,00° · E 180,00° · N 90,00° |
| Countries | World |
| Datum | IGb08 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=GRS80 +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:9017.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_IGb08",DATUM["D_IGb08",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — World
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.