INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (6637, 'EPSG', 6637, '+proj=tmerc +lat_0=13.5 +lon_0=144.75 +k=1 +x_0=100000 +y_0=200000 +ellps=GRS80 +units=m +no_defs +type=crs', 'PROJCS["NAD83(MA11) / Guam Map Grid",GEOGCS["NAD83(MA11)",DATUM["NAD83_National_Spatial_Reference_System_MA11",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1118"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6325"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",13.5],PARAMETER["central_meridian",144.75],PARAMETER["scale_factor",1],PARAMETER["false_easting",100000],PARAMETER["false_northing",200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6637"]]');