EPSG:66096405 DEPRECATED

NAD27(CGQ77) (deg)

Available transformations
to EPSG:8237
EPSG:8237 - NAD83(CSRS)v2

  • Canada - Quebec. , accuracy 1.5 m, code 9240 (default) [grid]

Selected transformation

Name: NAD27(CGQ77) to NAD83(CSRS)v2 (1)

Method: NTv2

Grid Files: CGQ77-98.gsb

Remarks: Also found with file name CQ77SCRS.GSB. Uses NT method which expects longitudes positive west; EPSG GeogCRSs NAD27(CGQ77) (code 4609) and NAD83(CSRS) (code 4617) have longitudes positive east.

Information source: Geodetic Service of Quebec. Contact alain.bernard@mrn.gouv.qc.ca

Revision date: 2023-07-17

Attributes

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

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Canada - Quebec.
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