INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (20003, 'EPSG', 20003, '+proj=tmerc +lat_0=53.35 +lon_0=-2.55 +k=1 +x_0=171975.9382 +y_0=116744.6938 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["MWC18 Grid + ODN height",PROJCS["MWC18 Grid",GEOGCS["MWC18-IRF",DATUM["MWC18_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1324"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","20033"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.35],PARAMETER["central_meridian",-2.55],PARAMETER["scale_factor",1],PARAMETER["false_easting",171975.9382],PARAMETER["false_northing",116744.6938],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","20002"]],VERT_CS["ODN height",VERT_DATUM["Ordnance Datum Newlyn",2005,AUTHORITY["EPSG","5101"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5701"]],AUTHORITY["EPSG","20003"]]');