EPSG:5515 — S-JTSK/05 / Modified Krovak

Projected · Czechia

Export Formats

OGC WKT

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"]
]

WKT2

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,ID["EPSG",9001]],
                ID["EPSG",7004]
            ],
            ID["EPSG",1052]
        ],
        ID["EPSG",5228]
    ],
    CONVERSION[
        "Modified Krovak (Greenwich)",
        METHOD["Krovak Modified",ID["EPSG",1042]],
        PARAMETER[
            "Latitude of projection centre",
            49.5000000000003,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8811]
        ],
        PARAMETER[
            "Longitude of origin",
            24.8333333333336,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8833]
        ],
        PARAMETER[
            "Co-latitude of cone axis",
            30.2881397222225,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",1036]
        ],
        PARAMETER[
            "Latitude of pseudo standard parallel",
            78.5000000000003,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8818]
        ],
        PARAMETER[
            "Scale factor on pseudo standard parallel",
            0.9999,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8819]
        ],
        PARAMETER[
            "False easting",
            5000000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            5000000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        PARAMETER[
            "Ordinate 1 of evaluation point",
            1089000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8617]
        ],
        PARAMETER[
            "Ordinate 2 of evaluation point",
            654000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8618]
        ],
        PARAMETER[
            "C1",
            0.02946529277,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1026]
        ],
        PARAMETER[
            "C2",
            0.02515965696,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1027]
        ],
        PARAMETER[
            "C3",
            1.193845912E-07,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1028]
        ],
        PARAMETER[
            "C4",
            -4.668270147E-07,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1029]
        ],
        PARAMETER[
            "C5",
            9.233980362E-12,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1030]
        ],
        PARAMETER[
            "C6",
            1.523735715E-12,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1031]
        ],
        PARAMETER[
            "C7",
            1.696780024E-18,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1032]
        ],
        PARAMETER[
            "C8",
            4.408314235E-18,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1033]
        ],
        PARAMETER[
            "C9",
            -8.331083518E-24,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1034]
        ],
        PARAMETER[
            "C10",
            -3.689471323E-24,
            SCALEUNIT["coefficient",1,ID["EPSG",9203]],
            ID["EPSG",1035]
        ],
        ID["EPSG",5511]
    ],
    CS[Cartesian,2,ID["EPSG",6501]],
    AXIS["Southing (X)",south],
    AXIS["Westing (Y)",west],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",5515]
]

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 5515,
  "name": "S-JTSK/05 / Modified Krovak",
  "kind": "projected",
  "area": "Czechia",
  "unit": "metre",
  "bbox": [
    48.58,
    12.09,
    51.06,
    18.86
  ],
  "proj4": null
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5515, 'EPSG', 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"]]');

GeoServer

How to add a projection to 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"]]

Related Coordinate Systems

Available Transformations (4)

Transformations inherited from base CRS: EPSG:5228 (S-JTSK/05)

Transformation	Source → Target	Accuracy (m)
S-JTSK/05 to ETRS89-CZE [2007] (1)	5228 → 11070	0
S-JTSK/05 (Ferro) to S-JTSK/05 (1)	5229 → 5228	0
S-JTSK to S-JTSK/05 (1)	4156 → 5228	0
S-JTSK/05 to WGS 84 (1)	5228 → 4326	1

Other CRS for CZ

Other CRS using System of the Unified Trigonometrical Cadastral Network/05

Frequently Asked Questions

How do I add EPSG:5515 to GeoServer?

Add the following definition to your GeoServer configuration:

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"]]

Read the full GeoServer guide →

How do I add EPSG:5515 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5515, 'EPSG', 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"]]');

Read the full PostGIS guide →