Well Known Text

COMPOUNDCRS["GBK19 Grid + ODN height",PROJCRS["GBK19 Grid",BASEGEOGCRS["GBK19-IRF",DATUM["GBK19 Intermediate Reference Frame",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",1289]],DEFININGTRANSFORMATION["ETRS89-GBR [OSNet v2009] to GBK19-IRF (1)",ID["EPSG",9454]],ID["EPSG",9453]],CONVERSION["GBK19-TM",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",55.7500000000003,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-4.35000000000028,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",1,SCALEUNIT["unity",1,ID["EPSG",9201]],ID["EPSG",8805]],PARAMETER["False easting",93720.394,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8806]],PARAMETER["False northing",113870.493,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8807]],ID["EPSG",9455]],CS[Cartesian,2,ID["EPSG",4400]],AXIS["Easting (E)",east],AXIS["Northing (N)",north],LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",9456]],VERTCRS["ODN height",VDATUM["Ordnance Datum Newlyn",ID["EPSG",5101]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["ETRS89-GBR [OSNet v2009] to ODN height (2)",ID["EPSG",7711]],GEOIDMODEL["ETRS89 to ODN height (1)",ID["EPSG",10021]],ID["EPSG",5701]],ID["EPSG",9457]]