{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"NAD83(MA11) + NMVD03 height","components":[{"type":"GeographicCRS","name":"NAD83(MA11)","datum":{"type":"GeodeticReferenceFrame","name":"NAD83 (National Spatial Reference System MA11)","anchor_epoch":2010,"ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"remarks":"Note: this CRS includes longitudes which are POSITIVE EAST. Replaces NAD83(HARN) (GGN93) and NAD83(FBN) in Guam."},{"type":"VerticalCRS","name":"NMVD03 height","datum":{"type":"VerticalReferenceFrame","name":"Northern Marianas Vertical Datum of 2003"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Spatial referencing.","area":"Northern Mariana Islands - onshore - Rota, Saipan and Tinian.","bbox":{"south_latitude":14.06,"west_longitude":145.06,"north_latitude":15.35,"east_longitude":145.89},"id":{"authority":"EPSG","code":9525}}