Name: NAD27 to NAD83 (1)
Method: NADCON
Grid Files: conus.las conus.los
Remarks: Uses NADCON method which expects longitudes positive west; EPSG GeogCRS NAD27 (code 4267) and NAD83 (code 4269) have longitudes positive east. For application in Gulf of Mexico refer to IOGP report 373-26.
Information source: US Coast & Geodetic Survey www.ngs.noaa.gov
Revision date: 2021-10-18
Unit: degree
Geodetic CRS: NAD27
Datum: North American Datum 1927
Ellipsoid: Clarke 1866
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4267 for recommended coordinate axis representation for the human interface.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg