EPSG:5221

S-JTSK (Ferro) / Krovak East North

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Available transformations
to EPSG:4156
EPSG:4156 - S-JTSK

  • Czechia; Slovakia. code 1884 (default)

Selected transformation

Name: S-JTSK (Ferro) to S-JTSK (1)

Method: Longitude rotation

Remarks:

Information source: OGP

Revision date: 2006-10-13

Attributes

Unit: metre

Geodetic CRS: S-JTSK (Ferro)

Datum: System of the Unified Trigonometrical Cadastral Network (Ferro)

Ellipsoid: Bessel 1841

Prime meridian: Ferro

Data source: EPSG

Information source: Land Survey Office (ZU), Prague. www.cuzk.cz/zu and Geodesy, Cartography and Cadastre Authority of Slovak Republic (UGKK SR).

Revision date: 2024-03-06

Scope: GIS.

Remarks: North-orientated alternative for GIS purposes to the south-orientated S-JTSK / Krovak (Ferro) legal system (CRS code 2065) . Coordinates are negative. In SK deprecated and replaced by equivalent CRS referenced to the Greenwich meridian, CRS code 5514.

Area of use: Czechia; Slovakia.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

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SimpleMap

Center coordinates
-544005.26 -1144001.64

Projected bounds:
-951499.37 -1353306.15
-159365.31 -911041.25

WGS84 bounds:
12.09 47.73
22.56 51.06

Czechia; Slovakia.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        PROJCRS["S-JTSK (Ferro) / Krovak East North",
            BASEGEOGCRS["S-JTSK (Ferro)",
                DATUM["System of the Unified Trigonometrical Cadastral Network (Ferro)",
                    ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
                        LENGTHUNIT["metre",1]]],
                PRIMEM["Ferro",-17.6666666666667,
                    ANGLEUNIT["degree",0.0174532925199433]],
                ID["EPSG",4818]],
            CONVERSION["Krovak East North",
                METHOD["Krovak (North Orientated)",
                    ID["EPSG",1041]],
                PARAMETER["Latitude of projection centre",49.5,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8811]],
                PARAMETER["Longitude of origin",42.5,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8833]],
                PARAMETER["Co-latitude of cone axis",30.2881397527778,
                    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",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8806]],
                PARAMETER["False northing",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8807]]],
            CS[Cartesian,2],
                AXIS["easting (X)",east,
                    ORDER[1],
                    LENGTHUNIT["metre",1]],
                AXIS["northing (Y)",north,
                    ORDER[2],
                    LENGTHUNIT["metre",1]],
            USAGE[
                SCOPE["GIS."],
                AREA["Czechia; Slovakia."],
                BBOX[47.73,12.09,51.06,22.56]],
            ID["EPSG",5221]]],
    TARGETCRS[
        GEOGCRS["S-JTSK",
            DATUM["System of the Unified Trigonometrical Cadastral Network",
                ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
                    LENGTHUNIT["metre",1]]],
            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["Geodesy."],
                AREA["Czechia; Slovakia."],
                BBOX[47.73,12.09,51.06,22.56]],
            ID["EPSG",4156],
            REMARK["Greenwich-referenced equivalent to S-JTSK (CRS code 4818). Technically improved and replaced through S-JTSK [JTSK03] in Slovakia, CRS code 8351. Remains the legal system in Czechia but see scientific working system CRSs 5228 and 5229."]]],
    ABRIDGEDTRANSFORMATION["S-JTSK (Ferro) to S-JTSK (1)",
        METHOD["Longitude rotation",
            ID["EPSG",9601]],
        PARAMETER["Longitude offset",-63600.0000000001,
            ID["EPSG",8602]],
        USAGE[
            SCOPE["Change of prime meridian."],
            AREA["Czechia; Slovakia."],
            BBOX[47.73,12.09,51.06,22.56]],
        ID["EPSG",1884]]]

Definition: PROJ.4

+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +pm=ferro +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:5221","+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +pm=ferro +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "S-JTSK (Ferro) / Krovak East North",
        "base_crs": {
            "type": "GeographicCRS",
            "name": "S-JTSK (Ferro)",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "System of the Unified Trigonometrical Cadastral Network (Ferro)",
                "ellipsoid": {
                    "name": "Bessel 1841",
                    "semi_major_axis": 6377397.155,
                    "inverse_flattening": 299.1528128
                },
                "prime_meridian": {
                    "name": "Ferro",
                    "longitude": -17.6666666666667
                }
            },
            "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": 4818
            },
            "remarks": "Initial realization, observed and calculated in projected CRS domain (CRS code 2065). Later densification introduced distortion with inaccuracy of several decimetres. In Slovakia has been deprecated and replaced by Greenwich equivalent, CRS code 4156."
        },
        "conversion": {
            "name": "Krovak East North",
            "method": {
                "name": "Krovak (North Orientated)",
                "id": {
                    "authority": "EPSG",
                    "code": 1041
                }
            },
            "parameters": [
                {
                    "name": "Latitude of projection centre",
                    "value": 49.5,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8811
                    }
                },
                {
                    "name": "Longitude of origin",
                    "value": 42.5,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8833
                    }
                },
                {
                    "name": "Co-latitude of cone axis",
                    "value": 30.2881397527778,
                    "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": 0,
                    "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": "X",
                    "direction": "east",
                    "unit": "metre"
                },
                {
                    "name": "Northing",
                    "abbreviation": "Y",
                    "direction": "north",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5221
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "S-JTSK",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "System of the Unified Trigonometrical Cadastral Network",
            "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": 4156
        },
        "remarks": "Greenwich-referenced equivalent to S-JTSK (CRS code 4818). Technically improved and replaced through S-JTSK [JTSK03] in Slovakia, CRS code 8351. Remains the legal system in Czechia but see scientific working system CRSs 5228 and 5229."
    },
    "transformation": {
        "name": "S-JTSK (Ferro) to S-JTSK (1)",
        "method": {
            "name": "Longitude rotation",
            "id": {
                "authority": "EPSG",
                "code": 9601
            }
        },
        "parameters": [
            {
                "name": "Longitude offset",
                "value": -17.6666666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8602
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1884
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=krovak"
	"lat_0=49.5"
	"lon_0=42.5"
	"alpha=30.2881397527778"
	"k=0.9999"
	"x_0=0"
	"y_0=0"
	"ellps=bessel"
	"pm=ferro"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +pm=ferro +units=m +no_defs +type=crs">
	<Layer srs="+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +pm=ferro +units=m +no_defs +type=crs">
	</Layer>
</Map>