Finland - onshore - EPSG:3901
Detailed Extent
WKT
HVCOORDSYS["KKJ_Finland_Uniform_Coordinate_System_and_N60_height",
PROJCS["Finland_Zone_3",
GEOGCS["GCS_KKJ",
DATUM["D_KKJ",
SPHEROID["International_1924", 6378388.0, 297.0]],
PRIMEM["Greenwich", 0.0],
UNIT["Degree", 0.0174532925199433]],
PROJECTION["Gauss_Kruger"],
PARAMETER["False_Easting", 3500000.0],
PARAMETER["False_Northing", 0.0],
PARAMETER["Central_Meridian", 27.0],
PARAMETER["Scale_Factor", 1.0],
PARAMETER["Latitude_Of_Origin", 0.0],
UNIT["Meter", 1.0]],
VERTCS["N60",
VDATUM["Helsinki_1960"],
PARAMETER["Vertical_Shift", 0.0],
PARAMETER["Direction", 1.0],
UNIT["Meter", 1.0]]]
WKT2
COMPOUNDCRS["KKJ_Finland_Uniform_Coordinate_System_and_N60_height",
PROJCRS["Finland_Zone_3",
BASEGEOGCRS["GCS_KKJ",
DATUM["D_KKJ",
ELLIPSOID["International_1924", 6378388.0, 297.0]],
PRIMEM["Greenwich", 0.0],
CS[ellipsoidal, 2],
AXIS["Latitude (lat)", north,
ORDER[1]],
AXIS["Longitude (lon)", east,
ORDER[2]],
ANGLEUNIT["Degree", 0.0174532925199433]],
CONVERSION["Gauss_Kruger",
METHOD["Gauss_Kruger"],
PARAMETER["False_Easting", 3500000.0],
PARAMETER["False_Northing", 0.0],
PARAMETER["Central_Meridian", 27.0],
PARAMETER["Scale_Factor", 1.0],
PARAMETER["Latitude_Of_Origin", 0.0]],
CS[Cartesian, 2],
AXIS["Northing (Y)", north,
ORDER[1]],
AXIS["Easting (X)", east,
ORDER[2]],
LENGTHUNIT["Meter", 1.0]],
VERTCRS["N60",
VDATUM["Helsinki_1960"],
CS[vertical, 1],
AXIS["Gravity-related height (H)", up,
LENGTHUNIT["Meter", 1.0]]],
ID["EPSG", "3901"]]
Data from @esri/proj-codes
{
"wkid": 3901,
"latestWkid": 3901,
"pcsWkid": 2393,
"gcsWkid": 4123,
"vcsWkid": 5717,
"macro": "PE_HVC_KKJ_FINLAND_UCS_N60_HT",
"name": "KKJ_Finland_Uniform_Coordinate_System_and_N60_height",
"wkt": "HVCOORDSYS[\"KKJ_Finland_Uniform_Coordinate_System_and_N60_height\",PROJCS[\"Finland_Zone_3\",GEOGCS[\"GCS_KKJ\",DATUM[\"D_KKJ\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Gauss_Kruger\"],PARAMETER[\"False_Easting\",3500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",27.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]],VERTCS[\"N60\",VDATUM[\"Helsinki_1960\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]]",
"wkt2": "COMPOUNDCRS[\"KKJ_Finland_Uniform_Coordinate_System_and_N60_height\",PROJCRS[\"Finland_Zone_3\",BASEGEOGCRS[\"GCS_KKJ\",DATUM[\"D_KKJ\",ELLIPSOID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Gauss_Kruger\",METHOD[\"Gauss_Kruger\"],PARAMETER[\"False_Easting\",3500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",27.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0]],CS[Cartesian,2],AXIS[\"Northing (Y)\",north,ORDER[1]],AXIS[\"Easting (X)\",east,ORDER[2]],LENGTHUNIT[\"Meter\",1.0]],VERTCRS[\"N60\",VDATUM[\"Helsinki_1960\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]]],ID[\"EPSG\",\"3901\"]]",
"description": "Finland - onshore",
"authority": "EPSG",
"version": "7.5.1(12.7.0)",
"deprecated": "no",
"areaname": "Finland - onshore",
"extent": {
"slat": 59.75,
"nlat": 70.09,
"llon": 19.24,
"rlon": 31.59
}
}