Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: IGN Paris.
Revision date: 2008-06-24
Scope: Geodesy, topographic mapping.
Area of use: Antarctica - Adelie Land - Petrels island.
Definition: OGC Well Known Text
DATUM["Petrels_1972", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], AUTHORITY["EPSG","6636"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["Petrels 1972", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]], ID["EPSG",6636]]
Definition: ESRI Well Known Text
DATUM["D_Petrels_1972", SPHEROID["International_1924",6378388.0,297.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Petrels 1972", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Geodesy, topographic mapping.", "area": "Antarctica - Adelie Land - Petrels island.", "bbox": { "south_latitude": -66.78, "west_longitude": 139.44, "north_latitude": -66.1, "east_longitude": 141.5 }, "id": { "authority": "EPSG", "code": 6636 } }