Method: Geocentric translations (geog2D domain)
Remarks: Derived by Qatar Centre for GIS. See Qatar 1974 to WGS 84 (2) (code 1562) for transformation used by QGPC for offshore petroleum industry.
Information source: Qatar Centre for GIS
Revision date: 2020-03-14
Unit: metre
Geodetic CRS: Qatar 1974
Datum: Qatar 1974
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: Qatar Centre for Geographic Information.
Revision date: 2000-03-07
Scope: Engineering survey, topographic mapping.
Area of use: Qatar - onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
Center coordinates
196890.96 402387.42
Projected bounds:
146719.13 311103.09
246386.59 493865.81
WGS84 bounds:
50.69 24.55
51.68 26.2
Definition: Well Known Text (WKT)
PROJCS["Qatar 1974 / Qatar National Grid", GEOGCS["Qatar 1974", DATUM["Qatar_1974", SPHEROID["International 1924",6378388,297], TOWGS84[-128.033,-283.697,21.052,0,0,0,0]], PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4285"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",24.45], PARAMETER["central_meridian",51.2166666666667], PARAMETER["scale_factor",0.99999], PARAMETER["false_easting",200000], PARAMETER["false_northing",300000], UNIT["metre",1], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","28600"]]
Definition: ESRI WKT
PROJCS["Qatar_National_Grid",GEOGCS["GCS_Qatar_1974",DATUM["D_Qatar",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",200000.0],PARAMETER["False_Northing",300000.0],PARAMETER["Central_Meridian",51.2166666666667],PARAMETER["Scale_Factor",0.99999],PARAMETER["Latitude_Of_Origin",24.45],UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json", "type": "ProjectedCRS", "name": "Qatar 1974 / Qatar National Grid", "base_crs": { "name": "Qatar 1974", "datum": { "type": "GeodeticReferenceFrame", "name": "Qatar 1974", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4285 } }, "conversion": { "name": "Qatar National Grid", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 24.45, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 51.2166666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.99999, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 200000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 300000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Qatar - onshore.", "bbox": { "south_latitude": 24.55, "west_longitude": 50.69, "north_latitude": 26.2, "east_longitude": 51.68 }, "id": { "authority": "EPSG", "code": 28600 } }
Definition: GeoServer
28600=PROJCS["Qatar 1974 / Qatar National Grid",GEOGCS["Qatar 1974",DATUM["Qatar_1974",SPHEROID["International 1924",6378388,297],TOWGS84[-128.033,-283.697,21.052,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4285"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",24.45],PARAMETER["central_meridian",51.2166666666667],PARAMETER["scale_factor",0.99999],PARAMETER["false_easting",200000],PARAMETER["false_northing",300000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","28600"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=24.45 +lon_0=51.2166666666667 +k=0.99999 +x_0=200000 +y_0=300000 +ellps=intl +towgs84=-128.033,-283.697,21.052,0,0,0,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=24.45 +lon_0=51.2166666666667 +k=0.99999 +x_0=200000 +y_0=300000 +ellps=intl +towgs84=-128.033,-283.697,21.052,0,0,0,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 28600, 'EPSG', 28600, '+proj=tmerc +lat_0=24.45 +lon_0=51.2166666666667 +k=0.99999 +x_0=200000 +y_0=300000 +ellps=intl +towgs84=-128.033,-283.697,21.052,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Qatar 1974 / Qatar National Grid",GEOGCS["Qatar 1974",DATUM["Qatar_1974",SPHEROID["International 1924",6378388,297],TOWGS84[-128.033,-283.697,21.052,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4285"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",24.45],PARAMETER["central_meridian",51.2166666666667],PARAMETER["scale_factor",0.99999],PARAMETER["false_easting",200000],PARAMETER["false_northing",300000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","28600"]]');
Definition: OGC WKT
PROJCS["Qatar 1974 / Qatar National Grid",GEOGCS["Qatar 1974",DATUM["Qatar_1974",SPHEROID["International 1924",6378388,297],TOWGS84[-128.033,-283.697,21.052,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4285"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",24.45],PARAMETER["central_meridian",51.2166666666667],PARAMETER["scale_factor",0.99999],PARAMETER["false_easting",200000],PARAMETER["false_northing",300000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","28600"]]
Definition: OGC WKT 2 (2019)
PROJCRS["Qatar 1974 / Qatar National Grid",BASEGEOGCRS["Qatar 1974",DATUM["Qatar 1974",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4285]],CONVERSION["Qatar National Grid",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",24.45,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",51.2166666666667,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.99999,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",200000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",300000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Qatar - onshore."],BBOX[24.55,50.69,26.2,51.68]],ID["EPSG",28600]]