NAD27 (deg)

Selected transformation

Method: NADCON5 (2D)

Grid Files: nadcon5.nad27.nad83_1986.alaska.lat.trn.20160901.b nadcon5.nad27.nad83_1986.alaska.lon.trn.20160901.b

Remarks: Uses NADCON5 method which expects longitudes positive east in range 0-360°; source and target CRSs have longitudes positive east in range -180° to +180°. Accuracy at 67% confidence level is 0.5m onshore, 5m nearshore and undetermined farther offshore.

Information source: National Geodetic Survey, www.ngs.noaa.gov

Revision date: 2019-09-17


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

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