Well Known Text
 
WKT Version 2
COORDINATEOPERATION["NAD83(CSRS)v3 to CGVD28(HTv2.0) height (1)",VERSION["NRC-Can CGG2000"],SOURCECRS[GEOGCRS["NAD83(CSRS)v3",DATUM["North American Datum of 1983 (CSRS) version 3",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ANCHOREPOCH[1997],ID["EPSG",1194]],CS[ellipsoidal,3,ID["EPSG",6423]],AXIS["Geodetic latitude (Lat)",north,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]],AXIS["Geodetic longitude (Lon)",east,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]],AXIS["Ellipsoidal height (h)",up,LENGTHUNIT["metre",1,ID["EPSG",9001]]],ID["EPSG",8239]]],TARGETCRS[VERTCRS["CGVD28(HTv2.0) height",VDATUM["Canadian Geodetic Vertical Datum of 1928 (Height Transformation version 2.0)",ANCHOREPOCH[1997],ID["EPSG",1384]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["NAD83(CSRS)v3 to CGVD28(HTv2.0) height (1)",ID["EPSG",10609]],ID["EPSG",10588]]],METHOD["Geographic3D to GravityRelatedHeight (NRCan byn)",ID["EPSG",1060]],PARAMETERFILE["Geoid (height correction) model file","HT2_1997.byn",ID["EPSG",8666]],OPERATIONACCURACY[0],ID["EPSG",10609]]


