NAD83-98.gsb
Uses NT method which expects longitudes positive west; EPSG GeogCRSs NAD83 (code 4269) and NAD83(CSRS98) (code 4140) have longitudes positive east. Can be taken as an approximate transformation NAD83 to WGS 84 - see code 1696.
Geodetic Service of Quebec. Contact alain.bernard@mrn.gouv.qc.ca
2000-10-19
Geodesy.
See CRS code 4269 for recommended coordinate axis representation for the human interface.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg