Name: NAD27(CGQ77) to WGS 84 (3)
Method: NTv2
Grid Files: CQ77NA83.GSB
Remarks: Parameter file is from NAD27(CGQ77) to NAD83 (2) (code 1575) assuming that NAD83(CSRS)v2 is equivalent to WGS 84 within the accuracy of the transformation.
Information source: OGP
Revision date: 2021-11-04
Unit: degree
Geodetic CRS: NAD27(CGQ77)
Datum: North American Datum 1927 (CGQ77)
Ellipsoid: Clarke 1866
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4609 for recommended coordinate axis representation for the human interface.
Area of use: Canada - Quebec.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg