Engineering survey, topographic mapping (large and medium scale).
Semi-dynamic datum. Geometric element of geodetic control network (JKG). Replaces DGN95 and all older datums.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "DynamicGeodeticReferenceFrame", "name": "Sistem Referensi Geospasial Indonesia 2013", "frame_reference_epoch": 2012, "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "scope": "Engineering survey, topographic mapping (large and medium scale).", "area": "Indonesia - onshore and offshore.", "bbox": { "south_latitude": -13.95, "west_longitude": 92.01, "north_latitude": 7.79, "east_longitude": 141.46 }, "id": { "authority": "EPSG", "code": 1293 } }