Name: KKJ to WGS 84 (2)
Method: Coordinate Frame rotation (geog2D domain)
Remarks: Parameter values from KKJ to ETRS89 (2) (code 10098). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation. Replaces KKJ to WGS 84 (1) (code 1639).
Information source: National Land Survey of Finland; http://www.maanmittauslaitos.fi
Revision date: 2020-03-14
Unit: metre
Geodetic CRS: KKJ
Datum: Kartastokoordinaattijarjestelma (1966)
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: National Land Survey of Finland; http://www.maanmittauslaitos.fi
Revision date: 2010-05-02
Scope: Engineering survey, topographic mapping (large scale).
Remarks: Known as Uniform Coordinate System (YKJ) when used over all country and also as Basic Coordinate System zone 3 at larger scales.
Area of use: Finland - onshore between 25°30'E and 28°30'E.
Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
Center coordinates
3424897.23 7203607.25
Projected bounds:
3064277.44 6626471.36
3757806.74 7798047.82
WGS84 bounds:
19.24 59.75
31.59 70.09
Definition: OGC Well Known Text
PROJCS["KKJ / Finland Uniform Coordinate System", GEOGCS["KKJ", DATUM["Kartastokoordinaattijarjestelma_1966", SPHEROID["International 1924",6378388,297], TOWGS84[-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4123"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",27], PARAMETER["scale_factor",1], PARAMETER["false_easting",3500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","2393"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["KKJ / Finland Uniform Coordinate System", BASEGEOGCRS["KKJ", DATUM["Kartastokoordinaattijarjestelma (1966)", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4123]], CONVERSION["Finland Uniform Coordinate System", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",27, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",3500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (X)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (Y)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping (large scale)."], AREA["Finland - onshore between 25°30'E and 28°30'E."], BBOX[60.18,25.5,70.09,28.51]], USAGE[ SCOPE["Topographic mapping (small scale)."], AREA["Finland - onshore."], BBOX[59.75,19.24,70.09,31.59]], ID["EPSG",2393]]
Definition: ESRI Well Known Text
PROJCS["Finland_Zone_3", GEOGCS["GCS_KKJ", DATUM["D_KKJ", SPHEROID["International_1924",6378388.0,297.0]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",3500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",27.0], PARAMETER["Scale_Factor",1.0], 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": "KKJ / Finland Uniform Coordinate System", "base_crs": { "name": "KKJ", "datum": { "type": "GeodeticReferenceFrame", "name": "Kartastokoordinaattijarjestelma (1966)", "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": 4123 } }, "conversion": { "name": "Finland Uniform Coordinate System", "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": 27, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 3500000, "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": "Northing", "abbreviation": "X", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "Y", "direction": "east", "unit": "metre" } ] }, "usages": [ { "scope": "Engineering survey, topographic mapping (large scale).", "area": "Finland - onshore between 25°30'E and 28°30'E.", "bbox": { "south_latitude": 60.18, "west_longitude": 25.5, "north_latitude": 70.09, "east_longitude": 28.51 } }, { "scope": "Topographic mapping (small scale).", "area": "Finland - onshore.", "bbox": { "south_latitude": 59.75, "west_longitude": 19.24, "north_latitude": 70.09, "east_longitude": 31.59 } } ], "id": { "authority": "EPSG", "code": 2393 } }
Definition: GeoServer
2393=PROJCS["KKJ / Finland Uniform Coordinate System",GEOGCS["KKJ",DATUM["Kartastokoordinaattijarjestelma_1966",SPHEROID["International 1924",6378388,297],TOWGS84[-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4123"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",27],PARAMETER["scale_factor",1],PARAMETER["false_easting",3500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2393"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2393, 'EPSG', 2393, '+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +towgs84=-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496 +units=m +no_defs +type=crs', 'PROJCS["KKJ / Finland Uniform Coordinate System",GEOGCS["KKJ",DATUM["Kartastokoordinaattijarjestelma_1966",SPHEROID["International 1924",6378388,297],TOWGS84[-96.062,-82.428,-121.753,-4.801,-0.345,1.376,1.496]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4123"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",27],PARAMETER["scale_factor",1],PARAMETER["false_easting",3500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2393"]]');