Ellipsoid: Everest 1830 (1967 Definition)
Prime meridian: Greenwich
Data source: EPSG
Information source: Defence Geographic Centre.
Revision date: 2008-06-24
Scope: Topographic mapping.
Remarks: In 1968, the original adjustment was densified in Sarawak and extended to Sabah.
Area of use: Brunei - onshore and offshore; Malaysia - East Malaysia (Sabah; Sarawak) - onshore and offshore.
WGS84 bounds:
119.61 0.85
109.31 7.67
Definition: OGC Well Known Text
DATUM["Timbalai_1948", SPHEROID["Everest 1830 (1967 Definition)",6377298.556,300.8017, AUTHORITY["EPSG","7016"]], AUTHORITY["EPSG","6298"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["Timbalai 1948", ELLIPSOID["Everest 1830 (1967 Definition)",6377298.556,300.8017, LENGTHUNIT["metre",1]], ID["EPSG",6298]]
Definition: ESRI Well Known Text
DATUM["D_Timbalai_1948", SPHEROID["Everest_Definition_1967",6377298.556,300.8017]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Timbalai 1948", "ellipsoid": { "name": "Everest 1830 (1967 Definition)", "semi_major_axis": 6377298.556, "inverse_flattening": 300.8017 }, "scope": "Topographic mapping.", "area": "Brunei - onshore and offshore; Malaysia - East Malaysia (Sabah; Sarawak) - onshore and offshore.", "bbox": { "south_latitude": 0.85, "west_longitude": 109.31, "north_latitude": 7.67, "east_longitude": 119.61 }, "id": { "authority": "EPSG", "code": 6298 } }