Position Vector transformation (geog2D domain)
Derived by UKHO at 13 stations in 1999, RMS ±0.271m.
UK Hydrographic Office.
2020-03-14
Cadastre, engineering survey, topographic mapping (large and medium scale).
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
342470.82 -470739.88
294587.87 -537196.9
390288.03 -404335.02
55.15 -4.86
56.01 -3.66
Definition: OGC Well Known Text
PROJCS["South East Island 1943 / UTM zone 40N", GEOGCS["South East Island 1943", DATUM["South_East_Island_1943", SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465], TOWGS84[-76.269,-16.683,68.562,-6.275,10.536,-4.286,-13.686]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","6892"]], 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","6915"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["South East Island 1943 / UTM zone 40N", BASEGEOGCRS["South East Island 1943", DATUM["South East Island 1943", ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",6892]], CONVERSION["UTM zone 40N", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",57, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, 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["Cadastre, engineering survey, topographic mapping (large and medium scale)."], AREA["Seychelles - Mahe, Silhouette, North, Aride Island, Praslin, La Digue and Frigate islands including adjacent smaller granitic islands on the Seychelles Bank, Bird Island and Denis Island."], BBOX[-4.86,55.15,-3.66,56.01]], ID["EPSG",6915]]
Definition: ESRI Well Known Text
PROJCS["South_East_Island_1943_UTM_Zone_40N", GEOGCS["GCS_South_East_Island_1943", DATUM["D_South_East_Island_1943", SPHEROID["Clarke_1880_RGS",6378249.145,293.465]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",57.0], PARAMETER["Scale_Factor",0.9996], PARAMETER["Latitude_Of_Origin",0.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "South East Island 1943 / UTM zone 40N", "base_crs": { "name": "South East Island 1943", "datum": { "type": "GeodeticReferenceFrame", "name": "South East Island 1943", "ellipsoid": { "name": "Clarke 1880 (RGS)", "semi_major_axis": 6378249.145, "inverse_flattening": 293.465 } }, "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": 6892 } }, "conversion": { "name": "UTM zone 40N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 57, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "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": "Cadastre, engineering survey, topographic mapping (large and medium scale).", "area": "Seychelles - Mahe, Silhouette, North, Aride Island, Praslin, La Digue and Frigate islands including adjacent smaller granitic islands on the Seychelles Bank, Bird Island and Denis Island.", "bbox": { "south_latitude": -4.86, "west_longitude": 55.15, "north_latitude": -3.66, "east_longitude": 56.01 }, "id": { "authority": "EPSG", "code": 6915 } }
Definition: GeoServer
6915=PROJCS["South East Island 1943 / UTM zone 40N",GEOGCS["South East Island 1943",DATUM["South_East_Island_1943",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-76.269,-16.683,68.562,-6.275,10.536,-4.286,-13.686]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6892"]],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","6915"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-76.269,-16.683,68.562,-6.275,10.536,-4.286,-13.686 +units=m +no_defs +type=crs"> <Layer srs="+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-76.269,-16.683,68.562,-6.275,10.536,-4.286,-13.686 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6915, 'EPSG', 6915, '+proj=utm +zone=40 +a=6378249.145 +rf=293.465 +towgs84=-76.269,-16.683,68.562,-6.275,10.536,-4.286,-13.686 +units=m +no_defs +type=crs', 'PROJCS["South East Island 1943 / UTM zone 40N",GEOGCS["South East Island 1943",DATUM["South_East_Island_1943",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-76.269,-16.683,68.562,-6.275,10.536,-4.286,-13.686]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6892"]],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","6915"]]');