Geodesy, cadastre.
Replaces MRT48 and earlier adjustments. Adopts metric conversion of 39.370113 inches per metre. Not used for 1969 metrication of RSO grid - see Kertau (RSO) (code 6751).
Malaysia - West Malaysia onshore and offshore east coast; Singapore - onshore and offshore.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Kertau 1968", "ellipsoid": { "name": "Everest 1830 Modified", "semi_major_axis": 6377304.063, "inverse_flattening": 300.8017 }, "scope": "Geodesy, cadastre.", "area": "Malaysia - West Malaysia onshore and offshore east coast; Singapore - onshore and offshore.", "bbox": { "south_latitude": 1.13, "west_longitude": 99.59, "north_latitude": 7.81, "east_longitude": 105.82 }, "id": { "authority": "EPSG", "code": 6245 } }