{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"RRAF 1991 + IGN 2008 LD height","components":[{"type":"GeographicCRS","name":"RRAF 1991","datum":{"type":"GeodeticReferenceFrame","name":"Reseau de Reference des Antilles Francaises 1991","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":"Replaces older local systems Fort Marigot and Sainte Anne CRS (codes 4621-22) in Guadeloupe and Fort Desaix (CRS code 4625) in Martinique. Replaced by RGAF09 (CRS code 5489)."},{"type":"VerticalCRS","name":"IGN 2008 LD height","datum":{"type":"VerticalReferenceFrame","name":"IGN 2008 LD"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Spatial referencing.","area":"Guadeloupe - onshore - La Desirade.","bbox":{"south_latitude":16.26,"west_longitude":-61.13,"north_latitude":16.38,"east_longitude":-60.97},"id":{"authority":"EPSG","code":9542}}