EPSG:4298

Timbalai 1948

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Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

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Method: Geocentric translations (geog2D domain)

Remarks: Derived at 8 stations. Accuracy 10m, 10m and 12m in X, Y and Z axes.

Information source: U.S. Defense Mapping Agency TR8350.2 September 1987.

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Timbalai 1948

Datum: Timbalai 1948

Ellipsoid: Everest 1830 (1967 Definition)

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2010-09-24

Scope: Geodesy.

Remarks: Adopts metric conversion of 39.370147 inches per metre. Replaced by GDM2000 (CRS code 4742) in East Malaysia and by GDBD2009 (CRS code 5247) in Brunei.

Area of use: Brunei - onshore and offshore; Malaysia - East Malaysia (Sabah; Sarawak) - onshore and offshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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Center coordinates
114.46 4.26

WGS84 bounds:
109.31 0.85
119.61 7.67

Brunei - onshore and offshore; Malaysia - East Malaysia (Sabah; Sarawak) - onshore and offshore.
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Definition: OGC Well Known Text

GEOGCS["Timbalai 1948",
    DATUM["Timbalai_1948",
        SPHEROID["Everest 1830 (1967 Definition)",6377298.556,300.8017],
        TOWGS84[-679,669,-48,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4298"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Timbalai 1948",
    DATUM["Timbalai 1948",
        ELLIPSOID["Everest 1830 (1967 Definition)",6377298.556,300.8017,
            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["Geodesy."],
        AREA["Brunei - onshore and offshore; Malaysia - East Malaysia (Sabah; Sarawak) - onshore and offshore."],
        BBOX[0.85,109.31,7.67,119.61]],
    ID["EPSG",4298]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Timbalai_1948",
    DATUM["D_Timbalai_1948",
        SPHEROID["Everest_Definition_1967",6377298.556,300.8017]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4298","+proj=longlat +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Timbalai 1948",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Timbalai 1948",
        "ellipsoid": {
            "name": "Everest 1830 (1967 Definition)",
            "semi_major_axis": 6377298.556,
            "inverse_flattening": 300.8017
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Geodesy.",
    "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": 4298
    }
}

Definition: GeoServer

4298=GEOGCS["Timbalai 1948",DATUM["Timbalai_1948",SPHEROID["Everest 1830 (1967 Definition)",6377298.556,300.8017],TOWGS84[-679,669,-48,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4298"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=evrstSS"
	"towgs84=-679,669,-48,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4298, 'EPSG', 4298, '+proj=longlat +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Timbalai 1948",DATUM["Timbalai_1948",SPHEROID["Everest 1830 (1967 Definition)",6377298.556,300.8017],TOWGS84[-679,669,-48,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4298"]]');