Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: Instituto Geografico e Cadastral Lisbon; http://www.igeo.pt/
Revision date: 2005-09-06
Scope: Topographic mapping.
Remarks: Classical and GPS observations. Replaces 1936 adjustment (datum code 6615). For Selvagens see Selvagem Grande (datum code 6616).
Area of use: Portugal - Madeira, Porto Santo and Desertas islands - onshore.
WGS84 bounds:
-16.23 32.35
-17.31 33.15
Definition: OGC Well Known Text
DATUM["Porto_Santo_1995", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], AUTHORITY["EPSG","6663"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["Porto Santo 1995", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]], ID["EPSG",6663]]
Definition: ESRI Well Known Text
DATUM["D_Porto_Santo_1995", SPHEROID["International_1924",6378388.0,297.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Porto Santo 1995", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Topographic mapping.", "area": "Portugal - Madeira, Porto Santo and Desertas islands - onshore.", "bbox": { "south_latitude": 32.35, "west_longitude": -17.31, "north_latitude": 33.15, "east_longitude": -16.23 }, "id": { "authority": "EPSG", "code": 6663 } }