EPSG:4156

S-JTSK

Transform Get position on a map

Available transformations
to EPSG:5228
EPSG:5228 - S-JTSK/05

  • Czechia. code 5241 (default)

Selected transformation

Method: Geographic2D offsets

Remarks: S-JTSK/05 is derived from the R05 realisation of ETRS89 and constrained to be coincident with S-JTSK.

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

Revision date: 2010-10-11

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: S-JTSK

Datum: System of the Unified Trigonometrical Cadastral Network

Ellipsoid: Bessel 1841

Prime meridian: Greenwich

Data source: EPSG

Information source: Research Institute for Geodesy Topography and Cartography (VUGTK); Prague, and Cadastre Authority of Slovak Republic (UGKK SR).

Revision date: 2018-02-16

Scope: Geodesy.

Remarks: Greenwich-referenced equivalent to S-JTSK (CRS code 4818). Technically improved and replaced through JTSK/05 in the Czech Republic and S-JTSK [JTSK03] in Slovakia, CRSs 5228 and 5229 (CZ) and 8351 (SK).

Area of use: Czechia; Slovakia.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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SimpleMap

Center coordinates
15.48 49.82

WGS84 bounds:
12.09 48.58
18.86 51.06

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

BOUNDCRS[
    SOURCECRS[
        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]]],
    TARGETCRS[
        GEOGCRS["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]],
            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."],
                BBOX[48.58,12.09,51.06,18.86]],
            ID["EPSG",5228]]],
    ABRIDGEDTRANSFORMATION["S-JTSK to S-JTSK/05 (1)",
        METHOD["Geographic2D offsets",
            ID["EPSG",9619]],
        PARAMETER["Latitude offset",0,
            ID["EPSG",8601]],
        PARAMETER["Longitude offset",0,
            ID["EPSG",8602]],
        USAGE[
            SCOPE["Defined as exact."],
            AREA["Czechia."],
            BBOX[48.58,12.09,51.06,18.86]],
        ID["EPSG",5241],
        REMARK["S-JTSK/05 is derived from the R05 realisation of ETRS89 and constrained to be coincident with S-JTSK."]]]

Definition: PROJ.4

+proj=longlat +ellps=bessel +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4156","+proj=longlat +ellps=bessel +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_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
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "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
        }
    },
    "transformation": {
        "name": "S-JTSK to S-JTSK/05 (1)",
        "method": {
            "name": "Geographic2D offsets",
            "id": {
                "authority": "EPSG",
                "code": 9619
            }
        },
        "parameters": [
            {
                "name": "Latitude offset",
                "value": 0,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8601
                }
            },
            {
                "name": "Longitude offset",
                "value": 0,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8602
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 5241
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=bessel"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=bessel +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=bessel +no_defs +type=crs">
	</Layer>
</Map>