EPSG:11311

ETRS89-CZE [2007] + Baltic 1957 height

Attributes

Geodetic CRS: ETRS89-CZE [2007] + Baltic 1957 height

Data source: EPSG

Information source: Land Survey Office (ZU), Prague; and Geodesy, Cartography and Cadastre Authority of Slovak Republic (UGKK SR).

Revision date: 2025-12-16

Scope: Spatial referencing.

Area of use: Czechia.

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SimpleMap

Center coordinates
15.47 49.82

Projected bounds:
12.09 48.58
18.86 51.06

WGS84 bounds:
12.09 48.58
18.86 51.06

Czechia.
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Definition: OGC Well Known Text

COMPD_CS["ETRS89-CZE [2007] + Baltic 1957 height",
    GEOGCS["ETRS89-CZE [2007]",
        DATUM["ETRS89-CZE_2007",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","1433"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","11070"]],
    VERT_CS["Baltic 1957 height",
        VERT_DATUM["Baltic 1957",2005,
            AUTHORITY["EPSG","1202"]],
        UNIT["metre",1,
            AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","8357"]],
    AUTHORITY["EPSG","11311"]]

Definition: OGC Well Known Text 2 (2019)

COMPOUNDCRS["ETRS89-CZE [2007] + Baltic 1957 height",
    GEOGCRS["ETRS89-CZE [2007]",
        DATUM["ETRS89-CZE [2007]",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]],
            ANCHOREPOCH[2007]],
        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]]],
    VERTCRS["Baltic 1957 height",
        VDATUM["Baltic 1957"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["Spatial referencing."],
        AREA["Czechia."],
        BBOX[48.58,12.09,51.06,18.86]],
    ID["EPSG",11311]]

Definition: ESRI Well Known Text

GEOGCS["GCS_ETRS_1989",
    DATUM["D_ETRS_1989",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]],
VERTCS["Baltic_1957_height",
    VDATUM["Baltic_1957"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:11311","+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "ETRS89-CZE [2007] + Baltic 1957 height",
    "components": [
        {
            "type": "GeographicCRS",
            "name": "ETRS89-CZE [2007]",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "ETRS89-CZE [2007]",
                "anchor_epoch": 2007,
                "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                }
            },
            "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                    {
                        "name": "Geodetic latitude",
                        "abbreviation": "Lat",
                        "direction": "north",
                        "unit": "degree"
                    },
                    {
                        "name": "Geodetic longitude",
                        "abbreviation": "Lon",
                        "direction": "east",
                        "unit": "degree"
                    }
                ]
            },
            "remarks": "Horizontal component of national realization of ETRS89 in Czechia."
        },
        {
            "type": "VerticalCRS",
            "name": "Baltic 1957 height",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Baltic 1957"
            },
            "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                    {
                        "name": "Gravity-related height",
                        "abbreviation": "H",
                        "direction": "up",
                        "unit": "metre"
                    }
                ]
            }
        }
    ],
    "scope": "Spatial referencing.",
    "area": "Czechia.",
    "bbox": {
        "south_latitude": 48.58,
        "west_longitude": 12.09,
        "north_latitude": 51.06,
        "east_longitude": 18.86
    },
    "id": {
        "authority": "EPSG",
        "code": 11311
    }
}

Definition: GeoServer

11311=COMPD_CS["ETRS89-CZE [2007] + Baltic 1957 height",GEOGCS["ETRS89-CZE [2007]",DATUM["ETRS89-CZE_2007",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1433"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11070"]],VERT_CS["Baltic 1957 height",VERT_DATUM["Baltic 1957",2005,AUTHORITY["EPSG","1202"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8357"]],AUTHORITY["EPSG","11311"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 11311, 'EPSG', 11311, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89-CZE [2007] + Baltic 1957 height",GEOGCS["ETRS89-CZE [2007]",DATUM["ETRS89-CZE_2007",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1433"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11070"]],VERT_CS["Baltic 1957 height",VERT_DATUM["Baltic 1957",2005,AUTHORITY["EPSG","1202"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8357"]],AUTHORITY["EPSG","11311"]]');