EPSG:5515

S-JTSK/05 / Modified Krovak

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

  • Czechia. , accuracy 1.0 m, code 5227 (default) [7]

Selected transformation

Method: Coordinate Frame rotation (geog2D domain)

Remarks: Parameter values from S-JTSK/05 to ETRS89 (1) (code 5226). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation. Replaces tfm code 1622.

Information source: OGP

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)

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]]

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": "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"
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Czechia.",
    "bbox": {
        "south_latitude": 48.58,
        "west_longitude": 12.09,
        "north_latitude": 51.06,
        "east_longitude": 18.86
    },
    "id": {
        "authority": "EPSG",
        "code": 5515
    }
}

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"]]