EPSG:3440 — PSD93 / UTM zone 40N

Projected · Oman - onshore east of 54°E

Export Formats

OGC WKT

PROJCS[
    "PSD93 / UTM zone 40N",
    GEOGCS[
        "PSD93",
        DATUM[
            "PDO_Survey_Datum_1993",
            SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],
            TOWGS84[-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4134"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",57],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","3440"]
]

WKT2

PROJCRS[
    "PSD93 / UTM zone 40N",
    BASEGEOGCRS[
        "PSD93",
        DATUM[
            "PDO Survey Datum 1993",
            ELLIPSOID[
                "Clarke 1880 (RGS)",
                6378249.145,
                293.465,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7012]
            ],
            ID["EPSG",6134]
        ],
        ID["EPSG",4134]
    ],
    CONVERSION[
        "UTM zone 40N",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            57,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9996,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16040]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",3440]
]

PROJ.4

+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:3440", "+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 3440,
  "name": "PSD93 / UTM zone 40N",
  "kind": "projected",
  "area": "Oman - onshore east of 54°E",
  "unit": "metre",
  "bbox": [
    16.89,
    54,
    26.58,
    59.91
  ],
  "proj4": "+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3440, 'EPSG', 3440, '+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006 +units=m +no_defs +type=crs', 'PROJCS["PSD93 / UTM zone 40N",GEOGCS["PSD93",DATUM["PDO_Survey_Datum_1993",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4134"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3440"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=utm"
  "+zone=40"
  "+a=6378249.145"
  "+rf=293.465"
  "+towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

3440=PROJCS["PSD93 / UTM zone 40N",GEOGCS["PSD93",DATUM["PDO_Survey_Datum_1993",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4134"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3440"]]

Related Coordinate Systems

Available Transformations (4)

Transformations inherited from base CRS: EPSG:4134 (PSD93)

Transformation	Source → Target	Accuracy (m)
PSD93 to WGS 84 (1)	4134 → 4326	0.5
PSD93 to WGS 84 (3)	4134 → 4326	0.5
PSD93 to WGS 72 (1)	4134 → 4322	1.2
PSD93 to WGS 84 (2)	4134 → 4326	2.5

Other CRS using PDO Survey Datum 1993

Frequently Asked Questions

How do I add EPSG:3440 to GeoServer?

Add the following definition to your GeoServer configuration:

3440=PROJCS["PSD93 / UTM zone 40N",GEOGCS["PSD93",DATUM["PDO_Survey_Datum_1993",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4134"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3440"]]

Read the full GeoServer guide →

How do I add EPSG:3440 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3440, 'EPSG', 3440, '+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006 +units=m +no_defs +type=crs', 'PROJCS["PSD93 / UTM zone 40N",GEOGCS["PSD93",DATUM["PDO_Survey_Datum_1993",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4134"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3440"]]');

Read the full PostGIS guide →

How do I add EPSG:3440 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=utm"
  "+zone=40"
  "+a=6378249.145"
  "+rf=293.465"
  "+towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:3440 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:3440", "+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-180.624,-225.516,173.919,-0.81,-1.898,8.336,16.71006 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

PSD93

Datum

PDO Survey Datum 1993

Ellipsoid

Clarke 1880 (RGS)

Prime Meridian

Greenwich

Area of Use

Oman - onshore east of 54°E

Oman - onshore east of 54°E. Includes Musandam and the Kuria Muria (Al Hallaniyah) islands.

Coordinate System

Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.

Center Coordinates

495055.35 2403254.10

Projected Bounds

2942956.58 180075.72789562.66 1869589.32

WGS84 Bounds

26.58 54.0059.91 16.89

Data Source

EPSG

Information Source

Petroleum Development Oman

Revision Date

2004-04-07

Scope

Oil and gas exploration and production.

Remarks

Replaced Fahud / UTM zone 40N projCRS (code 23240) in 1993. Maximum differences to Fahud adjustment are 20 metres.

EPSG

3440