EPSG.dev

GBK19 Grid + ODN height - EPSG:9457

Detailed Extent

WKT

HVCOORDSYS["GBK19_Grid_and_ODN_height", 
	PROJCS["GBK19_Grid", 
		GEOGCS["GBK19-IRF", 
			DATUM["GBK19_Intermediate_Reference_Frame", 
				SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
			PRIMEM["Greenwich", 0.0], 
			UNIT["Degree", 0.0174532925199433]], 
		PROJECTION["Transverse_Mercator"], 
		PARAMETER["False_Easting", 93720.394], 
		PARAMETER["False_Northing", 113870.493], 
		PARAMETER["Central_Meridian", -4.35], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", 55.75], 
		UNIT["Meter", 1.0]], 
	VERTCS["Newlyn", 
		VDATUM["Ordnance_Datum_Newlyn"], 
		PARAMETER["Vertical_Shift", 0.0], 
		PARAMETER["Direction", 1.0], 
		UNIT["Meter", 1.0]]]

WKT2

COMPOUNDCRS["GBK19_Grid_and_ODN_height", 
	PROJCRS["GBK19_Grid", 
		BASEGEOGCRS["GBK19-IRF", 
			DATUM["GBK19_Intermediate_Reference_Frame", 
				ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
			PRIMEM["Greenwich", 0.0], 
			CS[ellipsoidal, 2], 
			AXIS["Latitude (lat)", north, 
				ORDER[1]], 
			AXIS["Longitude (lon)", east, 
				ORDER[2]], 
			ANGLEUNIT["Degree", 0.0174532925199433]], 
		CONVERSION["Transverse_Mercator", 
			METHOD["Transverse_Mercator"], 
			PARAMETER["False_Easting", 93720.394], 
			PARAMETER["False_Northing", 113870.493], 
			PARAMETER["Central_Meridian", -4.35], 
			PARAMETER["Scale_Factor", 1.0], 
			PARAMETER["Latitude_Of_Origin", 55.75]], 
		CS[Cartesian, 2], 
		AXIS["Easting (X)", east, 
			ORDER[1]], 
		AXIS["Northing (Y)", north, 
			ORDER[2]], 
		LENGTHUNIT["Meter", 1.0]], 
	VERTCRS["Newlyn", 
		VDATUM["Ordnance_Datum_Newlyn"], 
		CS[vertical, 1], 
		AXIS["Gravity-related height (H)", up, 
			LENGTHUNIT["Meter", 1.0]]], 
	ID["EPSG", "9457"]]

Data from @esri/proj-codes

{
  "wkid": 9457,
  "latestWkid": 9457,
  "pcsWkid": 9456,
  "gcsWkid": 9453,
  "vcsWkid": 5701,
  "macro": "PE_HVC_GBK19_GRID_ODN_HEIGHT",
  "name": "GBK19_Grid_and_ODN_height",
  "wkt": "HVCOORDSYS[\"GBK19_Grid_and_ODN_height\",PROJCS[\"GBK19_Grid\",GEOGCS[\"GBK19-IRF\",DATUM[\"GBK19_Intermediate_Reference_Frame\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",93720.394],PARAMETER[\"False_Northing\",113870.493],PARAMETER[\"Central_Meridian\",-4.35],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",55.75],UNIT[\"Meter\",1.0]],VERTCS[\"Newlyn\",VDATUM[\"Ordnance_Datum_Newlyn\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]]",
  "wkt2": "COMPOUNDCRS[\"GBK19_Grid_and_ODN_height\",PROJCRS[\"GBK19_Grid\",BASEGEOGCRS[\"GBK19-IRF\",DATUM[\"GBK19_Intermediate_Reference_Frame\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",93720.394],PARAMETER[\"False_Northing\",113870.493],PARAMETER[\"Central_Meridian\",-4.35],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",55.75]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0]],VERTCRS[\"Newlyn\",VDATUM[\"Ordnance_Datum_Newlyn\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]]],ID[\"EPSG\",\"9457\"]]",
  "description": "GBK19 Grid + ODN height",
  "authority": "EPSG",
  "version": "9.9(13.2.0)",
  "deprecated": "no",
  "areaname": "UK - Glasgow to Kilmarnock",
  "extent": {
    "slat": 55.55,
    "nlat": 55.95,
    "llon": -4.65,
    "rlon": -4.05
  }
}