Coordinate Reference Systems
Remarks
Uses NT method which expects longitudes positive west; EPSG GeogCRSs NAD83 (code 4269) and NAD83(CSRS) (code 4617) have longitudes positive east. Can be taken as an approximate transformation NAD83 to WGS 84 - see code 1696.
Frequently Asked Questions
What is the accuracy of the NAD83 to NAD83(CSRS) transformation?
This transformation (EPSG:1843) has an accuracy of 1.5m using the NTv2 method. Area of use: Canada - Quebec.