EPSG:9425Compound
ETRS89 + ODN (Offshore) height
Type
Compound
Unit
—
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
+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs
Well-Known Text (WKT)
COMPD_CS["ETRS89 + ODN (Offshore) height",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],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"]],AUTHORITY["EPSG","9425"]]