EPSG:4751 Kertau (RSO)
Geographic system in latitude and longitude, in use: Asia - Malaysia (west) and Singapore. 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:4751 |
|---|---|
| Name | Kertau (RSO) |
| Type | Geographic system |
| Area of use |
Asia - Malaysia (west) and Singapore Malaysia - West Malaysia; Singapore. |
| Bounds | W 99,59° · S 1,13° · E 104,60° · N 6,72° |
| Countries | Malaysia, Singapore |
| Datum | Kertau (RSO) |
| Ellipsoid | Everest 1830 (RSO 1969) a = 6377295.664 m · 1/f = 300.8017 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Metrication of RSO grid. |
proj4 definition
+proj=longlat +ellps=evrst69 +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:4751.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Kertau_RSO",DATUM["D_Kertau_RSO",SPHEROID["Everest_Modified_1969",6377295.664,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — Malaysia
- EPSG:3380GDM2000 / Selangor Grid
- EPSG:3381GDM2000 / Terengganu Grid
- EPSG:3382GDM2000 / Pinang Grid
- EPSG:3383GDM2000 / Kedah and Perlis Grid
- EPSG:3384GDM2000 / Perak Grid
- EPSG:3385GDM2000 / Kelantan Grid
- EPSG:4245Kertau 1968
- EPSG:4298Timbalai 1948
- EPSG:4390Kertau 1968 / Johor Grid
- EPSG:4391Kertau 1968 / Sembilan and Melaka Grid
- EPSG:4392Kertau 1968 / Pahang Grid
- EPSG:4393Kertau 1968 / Selangor Grid
- EPSG:4394Kertau 1968 / Terengganu Grid
- EPSG:4395Kertau 1968 / Pinang Grid
- EPSG:4396Kertau 1968 / Kedah and Perlis Grid
- EPSG:4397Kertau 1968 / Perak Revised Grid
- EPSG:4398Kertau 1968 / Kelantan Grid
- EPSG:4742GDM2000
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.