United Kingdom - Great Britain - England and Wales - mainland; Scotland
- mainland and Inner Hebrides - EPSG:7405
Detailed Extent
WKT
HVCOORDSYS["HVC_OSGB36_British_National_Grid_and_ODN_Height",
PROJCS["British_National_Grid",
GEOGCS["GCS_OSGB_1936",
DATUM["D_OSGB_1936",
SPHEROID["Airy_1830", 6377563.396, 299.3249646]],
PRIMEM["Greenwich", 0.0],
UNIT["Degree", 0.0174532925199433]],
PROJECTION["Transverse_Mercator"],
PARAMETER["False_Easting", 400000.0],
PARAMETER["False_Northing", -100000.0],
PARAMETER["Central_Meridian", -2.0],
PARAMETER["Scale_Factor", 0.9996012717],
PARAMETER["Latitude_Of_Origin", 49.0],
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["HVC_OSGB36_British_National_Grid_and_ODN_Height",
PROJCRS["British_National_Grid",
BASEGEOGCRS["GCS_OSGB_1936",
DATUM["D_OSGB_1936",
ELLIPSOID["Airy_1830", 6377563.396, 299.3249646]],
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", 400000.0],
PARAMETER["False_Northing", -100000.0],
PARAMETER["Central_Meridian", -2.0],
PARAMETER["Scale_Factor", 0.9996012717],
PARAMETER["Latitude_Of_Origin", 49.0]],
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", "7405"]]
Data from @esri/proj-codes
{
"wkid": 7405,
"latestWkid": 7405,
"pcsWkid": 27700,
"gcsWkid": 4277,
"vcsWkid": 5701,
"macro": "PE_HVC_OSGB36_BRITISH_NATIONAL_GRID_AND_ODN_HEIGHT",
"name": "HVC_OSGB36_British_National_Grid_and_ODN_Height",
"wkt": "HVCOORDSYS[\"HVC_OSGB36_British_National_Grid_and_ODN_Height\",PROJCS[\"British_National_Grid\",GEOGCS[\"GCS_OSGB_1936\",DATUM[\"D_OSGB_1936\",SPHEROID[\"Airy_1830\",6377563.396,299.3249646]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",400000.0],PARAMETER[\"False_Northing\",-100000.0],PARAMETER[\"Central_Meridian\",-2.0],PARAMETER[\"Scale_Factor\",0.9996012717],PARAMETER[\"Latitude_Of_Origin\",49.0],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[\"HVC_OSGB36_British_National_Grid_and_ODN_Height\",PROJCRS[\"British_National_Grid\",BASEGEOGCRS[\"GCS_OSGB_1936\",DATUM[\"D_OSGB_1936\",ELLIPSOID[\"Airy_1830\",6377563.396,299.3249646]],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\",400000.0],PARAMETER[\"False_Northing\",-100000.0],PARAMETER[\"Central_Meridian\",-2.0],PARAMETER[\"Scale_Factor\",0.9996012717],PARAMETER[\"Latitude_Of_Origin\",49.0]],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\",\"7405\"]]",
"description": "United Kingdom - Great Britain - England and Wales - mainland; Scotland - mainland and Inner Hebrides",
"authority": "EPSG",
"version": "6.9(10.0.0)",
"deprecated": "no",
"areaname": "UK - Great Britain mainland onshore",
"extent": {
"slat": 49.93,
"nlat": 58.71,
"llon": -7.06,
"rlon": 1.8
}
}