{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"TM75 / Irish Grid","base_crs":{"type":"GeographicCRS","name":"TM75","datum":{"type":"GeodeticReferenceFrame","name":"Geodetic Datum of 1965","ellipsoid":{"name":"Airy Modified 1849","semi_major_axis":6377340.189,"inverse_flattening":299.3249646}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"id":{"authority":"EPSG","code":4300},"remarks":"Uses Geodetic Datum of 1965 which should not be confused with the 1965 adjustment (TM65, datum code 6299 and CRS code 4299). Replaces OSNI52 (CRS code 4188) and TM65 (CRS code 4299). Replaced by IRENET95 (CRS code 4173)."},"conversion":{"name":"Irish Grid","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":53.5,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":-8,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":1.000035,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":200000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":250000,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"E","direction":"east","unit":"metre"},{"name":"Northing","abbreviation":"N","direction":"north","unit":"metre"}]},"scope":"Engineering survey, topographic mapping.","area":"Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.","bbox":{"south_latitude":51.39,"west_longitude":-10.56,"north_latitude":55.43,"east_longitude":-5.34},"id":{"authority":"EPSG","code":29903}}