EPSG.dev

CH1903 LV03 - EPSG:21781

Detailed Extent

WKT

PROJCS["CH1903_LV03", 
	GEOGCS["GCS_CH1903", 
		DATUM["D_CH1903", 
			SPHEROID["Bessel_1841", 6377397.155, 299.1528128]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"], 
	PARAMETER["False_Easting", 600000.0], 
	PARAMETER["False_Northing", 200000.0], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Azimuth", 90.0], 
	PARAMETER["Longitude_Of_Center", 7.439583333333333], 
	PARAMETER["Latitude_Of_Center", 46.95240555555556], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["CH1903_LV03", 
	BASEGEOGCRS["GCS_CH1903", 
		DATUM["D_CH1903", 
			ELLIPSOID["Bessel_1841", 6377397.155, 299.1528128]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Hotine_Oblique_Mercator_Azimuth_Center", 
		METHOD["Hotine_Oblique_Mercator_Azimuth_Center"], 
		PARAMETER["False_Easting", 600000.0], 
		PARAMETER["False_Northing", 200000.0], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Azimuth", 90.0], 
		PARAMETER["Longitude_Of_Center", 7.439583333333333], 
		PARAMETER["Latitude_Of_Center", 46.95240555555556]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "21781"]]

Data from @esri/proj-codes

{
  "wkid": 21781,
  "latestWkid": 21781,
  "gcsWkid": 4149,
  "macro": "PE_PCS_CH1903_LV03",
  "name": "CH1903_LV03",
  "wkt": "PROJCS[\"CH1903_LV03\",GEOGCS[\"GCS_CH1903\",DATUM[\"D_CH1903\",SPHEROID[\"Bessel_1841\",6377397.155,299.1528128]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Hotine_Oblique_Mercator_Azimuth_Center\"],PARAMETER[\"False_Easting\",600000.0],PARAMETER[\"False_Northing\",200000.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Azimuth\",90.0],PARAMETER[\"Longitude_Of_Center\",7.439583333333333],PARAMETER[\"Latitude_Of_Center\",46.95240555555556],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"CH1903_LV03\",BASEGEOGCRS[\"GCS_CH1903\",DATUM[\"D_CH1903\",ELLIPSOID[\"Bessel_1841\",6377397.155,299.1528128]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Hotine_Oblique_Mercator_Azimuth_Center\",METHOD[\"Hotine_Oblique_Mercator_Azimuth_Center\"],PARAMETER[\"False_Easting\",600000.0],PARAMETER[\"False_Northing\",200000.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Azimuth\",90.0],PARAMETER[\"Longitude_Of_Center\",7.439583333333333],PARAMETER[\"Latitude_Of_Center\",46.95240555555556]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"21781\"]]",
  "description": "CH1903 LV03",
  "authority": "EPSG",
  "version": "5.3(8.1.0)",
  "deprecated": "no",
  "areaname": "Europe - Liechtenstein and Switzerland",
  "extent": {
    "slat": 45.81,
    "nlat": 47.81,
    "llon": 5.95,
    "rlon": 10.5
  }
}