Ellipsoid: WGS 84
Prime meridian: Greenwich
Data source: EPSG
Information source: Sistema de Referencia Geocentrico para las Americas: SIRGAS, Boletin Informativo No 12, Aug 2007; www.sirgas.org.national network densification summary and NuevoMarco Uruguay_param.pdf by Servicio Geográfico Militar of Uruguay, May 2004.
Revision date: 2018-05-29
Scope: Geodesy.
Remarks: Densification of SIRGAS 1995 within Uruguay. Replaces Yacare (datum code 6309) in Uruguay. Uruguay documentation clearly states use of WGS 84 reference ellipsoid.
Area of use: Uruguay - onshore and offshore.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "SIRGAS-ROU98", "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "scope": "Geodesy.", "area": "Uruguay - onshore and offshore.", "bbox": { "south_latitude": -37.77, "west_longitude": -58.49, "north_latitude": -30.09, "east_longitude": -50.01 }, "id": { "authority": "EPSG", "code": 1068 } }