EPSG:CODE

EPSG:4818 — S-JTSK (Ferro)

Geographic 2D · Europe - Czechoslovakia

Export Formats

WKT2
GEOGCRS[
    "S-JTSK (Ferro)",
    DATUM[
        "System of the Unified Trigonometrical Cadastral Network (Ferro)",
        ELLIPSOID[
            "Bessel 1841",
            6377397.155,
            299.1528128,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7004]
        ],
        ID["EPSG",6818]
    ],
    PRIMEM[
        "Ferro",
        -17.666666667,
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
        ID["EPSG",8909]
    ],
    CS[ellipsoidal,2,ID["EPSG",6422]],
    AXIS["Geodetic latitude (Lat)",north],
    AXIS["Geodetic longitude (Lon)",east],
    ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
    ID["EPSG",4818]
]

Related Coordinate Systems

Available Transformations (4)

Transformation Source → Target Accuracy (m)
S-JTSK (Ferro) to S-JTSK (1)
4818 → 4156 0
S-JTSK (Ferro) to WGS 84 (2)
4818 → 4326 1
S-JTSK (Ferro) to WGS 84 (3)
4818 → 4326 1
S-JTSK (Ferro) to WGS 84 (1)
4818 → 4326 1

Other CRS using System of the Unified Trigonometrical Cadastral Network (Ferro)

Frequently Asked Questions

How do I add EPSG:4818 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4818, 'EPSG', 4818, '+proj=longlat +ellps=bessel +pm=ferro +no_defs +type=crs', '');
Read the full PostGIS guide →

How do I add EPSG:4818 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+ellps=bessel"
  "+pm=ferro"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:4818 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:4818", "+proj=longlat +ellps=bessel +pm=ferro +no_defs +type=crs");
Read the full Proj4js guide →