EPSG:4156

S-JTSK

Transform Get position on a map

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

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at 6 stations.

Information source: U.S. National Imagery and Mapping Agency TR8350.2 revision of October 1997; http://earth-info.nga.mil/GandG/tr8350/tr8350_2.html

Revision date: 2020-03-14

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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Center coordinates
17.33 49.4

WGS84 bounds:
12.09 47.73
22.56 51.06

Czechia; Slovakia.
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Definition: OGC Well Known Text

GEOGCS["S-JTSK",
    DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network",
        SPHEROID["Bessel 1841",6377397.155,299.1528128],
        TOWGS84[589,76,480,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4156"]]

Definition: OGC Well Known Text 2 (2019)

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]]

Definition: ESRI Well Known Text

GEOGCS["GCS_S_JTSK",
    DATUM["D_S_JTSK",
        SPHEROID["Bessel_1841",6377397.155,299.1528128]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=bessel +towgs84=589,76,480,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4156","+proj=longlat +ellps=bessel +towgs84=589,76,480,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "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"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "Czechia; Slovakia.",
    "bbox": {
        "south_latitude": 47.73,
        "west_longitude": 12.09,
        "north_latitude": 51.06,
        "east_longitude": 22.56
    },
    "id": {
        "authority": "EPSG",
        "code": 4156
    }
}

Definition: GeoServer

4156=GEOGCS["S-JTSK",DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[589,76,480,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4156"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=bessel"
	"towgs84=589,76,480,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=bessel +towgs84=589,76,480,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=bessel +towgs84=589,76,480,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4156, 'EPSG', 4156, '+proj=longlat +ellps=bessel +towgs84=589,76,480,0,0,0,0 +no_defs +type=crs', 'GEOGCS["S-JTSK",DATUM["System_of_the_Unified_Trigonometrical_Cadastral_Network",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[589,76,480,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4156"]]');