EPSG:29872 Timbalai 1948 / RSO Borneo (ftSe)
Projected system (Hotine Oblique Mercator (variant B)) in use: Malaysia - East Malaysia. The full definition below, and conversion in one click.
| Code | EPSG:29872 |
|---|---|
| Name | Timbalai 1948 / RSO Borneo (ftSe) |
| Type | Projected system — Hotine Oblique Mercator (variant B) |
| Area of use |
Malaysia - East Malaysia Malaysia - East Malaysia (Sabah; Sarawak), onshore and offshore. |
| Bounds | W 109,31° · S 0,85° · E 119,61° · N 7,67° |
| Countries | 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 | British foot (Sears 1922) (E east, N north) |
| Transformation to WGS 84 | Timbalai 1948 to WGS 84 (1) (EPSG:1228) — accuracy 19 m |
| Scope | Oil and gas exploration and production. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of projection centre | 4 | degree |
| Longitude of projection centre | 115 | degree |
| Azimuth at projection centre | 53.31582047222222 | degree |
| Angle from Rectified to Skew Grid | 53.13010236111111 | degree |
| Scale factor at projection centre | 0.99984 | unity |
| Easting at projection centre | 1937263.44 | British foot (Sears 1922) |
| Northing at projection centre | 1452947.58 | British foot (Sears 1922) |
proj4 definition
+proj=omerc +lat_0=4 +lonc=115 +alpha=53.3158204722222 +gamma=53.1301023611111 +k=0.99984 +x_0=590476.872743198 +y_0=442857.654557398 +ellps=evrstSS +to_meter=0.304799471538676 +towgs84=-679,669,-48 +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:29872.
WKT (ESRI format, the .prj content)
PROJCS["Timbalai_1948_RSO_Borneo_Feet",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["Rectified_Skew_Orthomorphic_Center"],PARAMETER["False_Easting",1937263.44],PARAMETER["False_Northing",1452947.58],PARAMETER["Scale_Factor",0.99984],PARAMETER["Azimuth",53.3158204722222],PARAMETER["Longitude_Of_Center",115.0],PARAMETER["Latitude_Of_Center",4.0],PARAMETER["XY_Plane_Rotation",53.1301023611111],UNIT["British foot (Sears 1922)",0.304799471538676]]Other systems — Malaysia
- 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
- EPSG:4751Kertau (RSO)
- EPSG:24547Kertau 1968 / UTM zone 47N
- EPSG:24548Kertau 1968 / UTM zone 48N
- EPSG:29849Timbalai 1948 / UTM zone 49N
- EPSG:29850Timbalai 1948 / UTM zone 50N
- EPSG:29871Timbalai 1948 / RSO Borneo (ch)
- EPSG:29873Timbalai 1948 / RSO Borneo (m)
- EPSG:29874Timbalai 1948 / RSO Sarawak LSD (m)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.