AB_CSRS.DAC NTv2_0.gsb
Steps based on concatenated transformation NAD27 to NAD83(CSRS)v4 (3) (code 9336) assuming that NAD83(CSRS)v4 is equivalent to WGS 84.
OGP
2020-03-14
Geodesy.
See CRS code 4267 for recommended coordinate axis representation for the human interface.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg