EPSG:7707Vertical
ODN (Offshore) height
Type
Vertical
Unit
metre
Area of use
United Kingdom (UK) - offshore between 2km from shore and boundary of UKCS within 49°46'N to 61°01'N and 7°33'W to 3°33'E.
proj4 definition
+vunits=m +no_defs +type=crs
Well-Known Text (WKT)
VERT_CS["ODN (Offshore) height",VERT_DATUM["Ordnance Datum Newlyn (Offshore)",2005,AUTHORITY["EPSG","1164"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7707"]]