Well Known Text
 
WKT Version 2
COMPOUNDCRS["Amersfoort / RD New + NAP height",PROJCRS["Amersfoort / RD New",BASEGEOGCRS["Amersfoort",DATUM["Amersfoort",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7004]],ID["EPSG",6289]],DEFININGTRANSFORMATION["Amersfoort to ETRS89 (9)",ID["EPSG",9282]],ID["EPSG",4289]],CONVERSION["RD New",METHOD["Oblique Stereographic",ID["EPSG",9809]],PARAMETER["Latitude of natural origin",52.1561605555558,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",5.38763888888917,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9999079,SCALEUNIT["unity",1,ID["EPSG",9201]],ID["EPSG",8805]],PARAMETER["False easting",155000,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8806]],PARAMETER["False northing",463000,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8807]],ID["EPSG",19914]],CS[Cartesian,2,ID["EPSG",4499]],AXIS["Easting (X)",east],AXIS["Northing (Y)",north],LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",28992]],VERTCRS["NAP height",VDATUM["Normaal Amsterdams Peil",ID["EPSG",5109]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["ETRS89 to NAP height (2)",ID["EPSG",9283]],ID["EPSG",5709]],ID["EPSG",7415]]