VERTCRS["ODN (Offshore) height",VDATUM["Ordnance Datum Newlyn (Offshore)"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey."],AREA["United Kingdom (UK) - offshore between 2km from shore and boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E."],BBOX[49.75,-9.01,61.01,2.01]],ID["EPSG",7707]]