EPSG:5515

S-JTSK/05 / Modified Krovak

Transform Get position on a map

Available transformations
to EPSG:4258
EPSG:4258 - ETRS89

  • Czechia. code 5226 (default) [7]

Selected transformation

Method: Coordinate Frame rotation (geog2D domain)

Remarks: Derived through the relationship between the R05 realisation of ETRS89 and the astrogeodetic S-JTSK network. Replaces tfm code 1622. May be taken as approximate transformation S-JTSK to WGS 84 - see code 5227.

Information source: Land Survey Office (ZU), Prague. www.cuzk.cz/zu

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: S-JTSK/05

Datum: System of the Unified Trigonometrical Cadastral Network/05

Ellipsoid: Bessel 1841

Prime meridian: Greenwich

Data source: EPSG

Information source: Land Survey Office (ZU), Prague. www.cuzk.cz/zu

Revision date: 2018-02-16

Scope: Engineering survey, topographic mapping.

Remarks: Greenwich-referenced alternative to S-JTSK/05 (Ferro) / Modified Krovak, CRS code 5224.

Area of use: Czechia.

Coordinate system: Cartesian 2D CS. Axes: southing, westing (X,Y). Orientations: south, west. UoM: m.

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Definition: OGC Well Known Text

PROJCS["S-JTSK/05 / Modified Krovak",
    GEOGCS["S-JTSK/05",
        DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network_05",
            SPHEROID["Bessel 1841",6377397.155,299.1528128],
            TOWGS84[572.213,85.334,461.94,-4.9732,-1.529,-5.2484,3.5378]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","5228"]],
    PROJECTION["Krovak_Modified"],
    PARAMETER["Latitude of projection centre",49.5],
    PARAMETER["Longitude of origin",24.8333333333333],
    PARAMETER["Co-latitude of cone axis",30.2881397222222],
    PARAMETER["Latitude of pseudo standard parallel",78.5],
    PARAMETER["Scale factor on pseudo standard parallel",0.9999],
    PARAMETER["False easting",5000000],
    PARAMETER["False northing",5000000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","5515"]]

Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        PROJCRS["S-JTSK/05 / Modified Krovak",
            BASEGEOGCRS["S-JTSK/05",
                DATUM["System of the Unified Trigonometrical Cadastral Network/05",
                    ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
                        LENGTHUNIT["metre",1]]],
                PRIMEM["Greenwich",0,
                    ANGLEUNIT["degree",0.0174532925199433]],
                ID["EPSG",5228]],
            CONVERSION["Modified Krovak (Greenwich)",
                METHOD["Krovak Modified",
                    ID["EPSG",1042]],
                PARAMETER["Latitude of projection centre",49.5,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8811]],
                PARAMETER["Longitude of origin",24.8333333333333,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8833]],
                PARAMETER["Co-latitude of cone axis",30.2881397222222,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",1036]],
                PARAMETER["Latitude of pseudo standard parallel",78.5,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8818]],
                PARAMETER["Scale factor on pseudo standard parallel",0.9999,
                    SCALEUNIT["unity",1],
                    ID["EPSG",8819]],
                PARAMETER["False easting",5000000,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8806]],
                PARAMETER["False northing",5000000,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8807]]],
            CS[Cartesian,2],
                AXIS["southing (X)",south,
                    ORDER[1],
                    LENGTHUNIT["metre",1]],
                AXIS["westing (Y)",west,
                    ORDER[2],
                    LENGTHUNIT["metre",1]],
            USAGE[
                SCOPE["Engineering survey, topographic mapping."],
                AREA["Czechia."],
                BBOX[48.58,12.09,51.06,18.86]],
            ID["EPSG",5515]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            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["Horizontal component of 3D system."],
                AREA["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84",
        METHOD["Position Vector transformation (geog2D domain)",
            ID["EPSG",9606]],
        PARAMETER["X-axis translation",572.213,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",85.334,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",461.94,
            ID["EPSG",8607]],
        PARAMETER["X-axis rotation",-4.9732,
            ID["EPSG",8608]],
        PARAMETER["Y-axis rotation",-1.529,
            ID["EPSG",8609]],
        PARAMETER["Z-axis rotation",-5.2484,
            ID["EPSG",8610]],
        PARAMETER["Scale difference",1.0000035378,
            ID["EPSG",8611]]]]

Definition: ESRI Well Known Text

PROJCS["S-JTSK_05_Modified_Krovak",
    GEOGCS["GCS_S_JTSK/05",
        DATUM["D_S_JTSK_05",
            SPHEROID["Bessel_1841",6377397.155,299.1528128]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Krovak_Modified"],
    PARAMETER["Latitude of projection centre",49.5],
    PARAMETER["Longitude of origin",24.8333333333333],
    PARAMETER["Co-latitude of cone axis",30.2881397222222],
    PARAMETER["Latitude of pseudo standard parallel",78.5],
    PARAMETER["Scale factor on pseudo standard parallel",0.9999],
    PARAMETER["False easting",5000000.0],
    PARAMETER["False northing",5000000.0],
    UNIT["Meter",1.0]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "S-JTSK/05 / Modified Krovak",
        "base_crs": {
            "name": "S-JTSK/05",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "System of the Unified Trigonometrical Cadastral Network/05",
                "ellipsoid": {
                    "name": "Bessel 1841",
                    "semi_major_axis": 6377397.155,
                    "inverse_flattening": 299.1528128
                }
            },
            "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": 5228
            }
        },
        "conversion": {
            "name": "Modified Krovak (Greenwich)",
            "method": {
                "name": "Krovak Modified",
                "id": {
                    "authority": "EPSG",
                    "code": 1042
                }
            },
            "parameters": [
                {
                    "name": "Latitude of projection centre",
                    "value": 49.5,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8811
                    }
                },
                {
                    "name": "Longitude of origin",
                    "value": 24.8333333333333,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8833
                    }
                },
                {
                    "name": "Co-latitude of cone axis",
                    "value": 30.2881397222222,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 1036
                    }
                },
                {
                    "name": "Latitude of pseudo standard parallel",
                    "value": 78.5,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8818
                    }
                },
                {
                    "name": "Scale factor on pseudo standard parallel",
                    "value": 0.9999,
                    "unit": "unity",
                    "id": {
                        "authority": "EPSG",
                        "code": 8819
                    }
                },
                {
                    "name": "False easting",
                    "value": 5000000,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8806
                    }
                },
                {
                    "name": "False northing",
                    "value": 5000000,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8807
                    }
                }
            ]
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Southing",
                    "abbreviation": "X",
                    "direction": "south",
                    "unit": "metre"
                },
                {
                    "name": "Westing",
                    "abbreviation": "Y",
                    "direction": "west",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5515
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
                {
                    "name": "World Geodetic System 1984 (Transit)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1166
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G730)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1152
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1153
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1150)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1154
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1155
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1762)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1156
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G2139)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1309
                    }
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0",
            "id": {
                "authority": "EPSG",
                "code": 6326
            }
        },
        "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": 4326
        }
    },
    "transformation": {
        "name": "Transformation from unknown to WGS84",
        "method": {
            "name": "Position Vector transformation (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9606
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": 572.213,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 85.334,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 461.94,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            },
            {
                "name": "X-axis rotation",
                "value": -4.9732,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8608
                }
            },
            {
                "name": "Y-axis rotation",
                "value": -1.529,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8609
                }
            },
            {
                "name": "Z-axis rotation",
                "value": -5.2484,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8610
                }
            },
            {
                "name": "Scale difference",
                "value": 3.5378,
                "unit": {
                    "type": "ScaleUnit",
                    "name": "parts per million",
                    "conversion_factor": 1e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8611
                }
            }
        ]
    }
}

Definition: GeoServer

5515=PROJCS["S-JTSK/05 / Modified Krovak",GEOGCS["S-JTSK/05",DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network_05",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[572.213,85.334,461.94,-4.9732,-1.529,-5.2484,3.5378]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5228"]],PROJECTION["Krovak_Modified"],PARAMETER["Latitude of projection centre",49.5],PARAMETER["Longitude of origin",24.8333333333333],PARAMETER["Co-latitude of cone axis",30.2881397222222],PARAMETER["Latitude of pseudo standard parallel",78.5],PARAMETER["Scale factor on pseudo standard parallel",0.9999],PARAMETER["False easting",5000000],PARAMETER["False northing",5000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5515"]]