VERTCRS["Ostend height",VDATUM["Ostend"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey."],AREA["Belgium - onshore."],BBOX[49.5,2.5,51.51,6.4]],ID["EPSG",5710]]