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Method: Geocentric translations (geog2D domain)
Remarks: Determined at 8 stations, accuracy +/- 15m in each axis. Info. Source has the source CRS as Sierra Leone 1960. Sierra Leone 1968 is a readjustment of the 1960 network: coordinates changed by less than 3 metres.
Information source: NIMA TR8350.2 revision 3, 1997.
Revision date: 2020-03-14
Unit: degree
Geodetic CRS: Sierra Leone 1968
Datum: Sierra Leone 1968
Ellipsoid: Clarke 1880 (RGS)
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4175 for recommended coordinate axis representation for the human interface.
Area of use: Sierra Leone - onshore and offshore.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg
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