EPSG:20499 Ain el Abd / Bahrain Grid
Projected system (Transverse Mercator) in use: Bahrain - onshore. The full definition below, and conversion in one click.
| Code | EPSG:20499 |
|---|---|
| Name | Ain el Abd / Bahrain Grid |
| Type | Projected system — Transverse Mercator |
| Area of use | Bahrain - onshore |
| Bounds | W 50,39° · S 25,53° · E 50,85° · N 26,34° |
| Countries | Bahrain |
| Datum | Ain el Abd 1970 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Base geographic system | EPSG:4204 — Ain el Abd |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | Ain el Abd to WGS 84 (2) (EPSG:1111) — accuracy 18 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 51 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=utm +zone=39 +ellps=intl +units=m +towgs84=-143,-236,7 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:20499.
WKT (ESRI format, the .prj content)
PROJCS["Bahrain_State_Grid",GEOGCS["GCS_Ain_el_Abd_1970",DATUM["D_Ain_el_Abd_1970",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",51.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Bahrain
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.