Well Known Text
 
WKT Version 2
COORDINATEOPERATION["EGM96 height to POM96 height (1)",VERSION["QC-Png Gulf-Cen"],SOURCECRS[VERTCRS["EGM96 height",VDATUM["EGM96 geoid",ID["EPSG",5171]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",5773]]],TARGETCRS[VERTCRS["POM96 height",VDATUM["Port Moresby 1996",ID["EPSG",1171]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["EGM96 height to POM96 height (1)",ID["EPSG",7873]],ID["EPSG",7832]]],METHOD["Vertical Offset",ID["EPSG",9616]],PARAMETER["Vertical Offset",-1.58,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8603]],OPERATIONACCURACY[0],ID["EPSG",7873]]


