EPSG:29850 Timbalai 1948 / UTM zone 50N
Projected system (Transverse Mercator) in use: Asia - Brunei and East Malaysia - 114°E to 120°E. The full definition below, and conversion in one click.
| Code | EPSG:29850 |
|---|---|
| Name | Timbalai 1948 / UTM zone 50N |
| Type | Projected system — Transverse Mercator |
| Area of use |
Asia - Brunei and East Malaysia - 114°E to 120°E Brunei - onshore and offshore east of 114°E; Malaysia - East Malaysia (Sabah, Sarawak) onshore and offshore east of 114°E). |
| Bounds | W 114,00° · S 1,43° · E 119,61° · N 7,67° |
| Countries | Brunei, Malaysia |
| Datum | Timbalai 1948 |
| Ellipsoid | Everest 1830 (1967 Definition) a = 6377298.556 m · 1/f = 300.8017 |
| Base geographic system | EPSG:4298 — Timbalai 1948 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | Timbalai 1948 to WGS 84 (1) (EPSG:1228) — accuracy 19 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 117 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=utm +zone=50 +ellps=evrstSS +units=m +towgs84=-679,669,-48 +no_defs
Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:29850.
WKT (ESRI format, the .prj content)
PROJCS["Timbalai_1948_UTM_Zone_50N",GEOGCS["GCS_Timbalai_1948",DATUM["D_Timbalai_1948",SPHEROID["Everest_Definition_1967",6377298.556,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",117.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]
Other systems — Brunei
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.