EPSG:CODE

EPSG:21780 — CH1903 (Bern) / LV03C

Projected · Europe - Liechtenstein and Switzerland

Export Formats

WKT2
PROJCRS[
    "CH1903 (Bern) / LV03C",
    BASEGEOGCRS[
        "CH1903 (Bern)",
        DATUM[
            "CH1903 (Bern)",
            ELLIPSOID[
                "Bessel 1841",
                6377397.155,
                299.1528128,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7004]
            ],
            ID["EPSG",6801]
        ],
        PRIMEM[
            "Bern",
            7.439583333,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8907]
        ],
        ID["EPSG",4801]
    ],
    CONVERSION[
        "Swiss Oblique Mercator 1903C",
        METHOD["Hotine Oblique Mercator (variant B)",ID["EPSG",9815]],
        PARAMETER[
            "Latitude of projection centre",
            46.9524055555558,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8811]
        ],
        PARAMETER[
            "Longitude of projection centre",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8812]
        ],
        PARAMETER[
            "Azimuth at projection centre",
            90,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8813]
        ],
        PARAMETER[
            "Angle from Rectified to Skew Grid",
            90,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8814]
        ],
        PARAMETER[
            "Scale factor at projection centre",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8815]
        ],
        PARAMETER[
            "Easting at projection centre",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8816]
        ],
        PARAMETER[
            "Northing at projection centre",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8817]
        ],
        ID["EPSG",19923]
    ],
    CS[Cartesian,2,ID["EPSG",4498]],
    AXIS["Easting (Y)",east],
    AXIS["Northing (X)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",21780]
]

Related Coordinate Systems

Available Transformations (2)

Transformations inherited from base CRS: EPSG:4801 (CH1903 (Bern))

Transformation Source → Target Accuracy (m)
CH1903 (Bern) to CH1903 (1)
4801 → 4149 0
Bern 1898 (Bern) to CH1903 (Greenwich) Deprecated
4801 → 4149 —

Other CRS using CH1903 (Bern)

Frequently Asked Questions

How do I add EPSG:21780 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (21780, 'EPSG', 21780, '+proj=somerc +lat_0=46.9524055555556 +lon_0=0 +k_0=1 +x_0=0 +y_0=0 +ellps=bessel +pm=bern +units=m +no_defs +type=crs', '');
Read the full PostGIS guide →

How do I add EPSG:21780 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=somerc"
  "+lat_0=46.9524055555556"
  "+lon_0=0"
  "+k_0=1"
  "+x_0=0"
  "+y_0=0"
  "+ellps=bessel"
  "+pm=bern"
  "+units=m"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:21780 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:21780", "+proj=somerc +lat_0=46.9524055555556 +lon_0=0 +k_0=1 +x_0=0 +y_0=0 +ellps=bessel +pm=bern +units=m +no_defs +type=crs");
Read the full Proj4js guide →