Geodesy.
In PRVI replaces NAD83(HARN) to correct errors. Replaced by NAD83(FBN).
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "NAD83 (High Accuracy Reference Network - Corrected)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "Puerto Rico and US Virgin Islands - onshore.", "bbox": { "south_latitude": 17.62, "west_longitude": -67.97, "north_latitude": 18.57, "east_longitude": -64.51 }, "id": { "authority": "EPSG", "code": 1212 } }