INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (10997, 'EPSG', 10997, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89-GBR [OSNet v2009] + London Survey Grid height",GEOGCS["ETRS89-GBR [OSNet v2009]",DATUM["OSNet_v2009",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1425"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","11009"]],VERT_CS["London Survey Grid height",VERT_DATUM["London Survey Grid height datum",2005,AUTHORITY["EPSG","1423"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","10989"]],AUTHORITY["EPSG","10997"]]');