EPSG:4286 Qatar 1948
Geographic system in latitude and longitude, in use: Qatar - onshore. 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:4286 |
|---|---|
| Name | Qatar 1948 |
| Type | Geographic system |
| Area of use | Qatar - onshore |
| Bounds | W 50,69° · S 24,55° · E 51,68° · N 26,20° |
| Countries | Qatar |
| Datum | Qatar 1948 |
| Ellipsoid | Helmert 1906 a = 6378200 m · 1/f = 298.3 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=helmert +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:4286.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Qatar_1948",DATUM["D_Qatar_1948",SPHEROID["Helmert_1906",6378200.0,298.3]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — Qatar
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.