GEOGCRS["Kertau (RSO)", DATUM["Kertau (RSO)", ELLIPSOID["Everest 1830 (RSO 1969)",6377295.664,300.8017, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Metrication of RSO grid."], AREA["Malaysia - West Malaysia; Singapore."], BBOX[1.13,99.59,6.72,104.6]], ID["EPSG",4751]]