What datums should my software support for north America?
I’m an underwater survey software developer and am about to release a package dealing with drones and GPS from GoPro video cameras. Normally we just use WGS84 as a datum for offshore work. My software currently has UK Ordnance Survey, Eire and WGS84 datums.
What datums are most popular for the US and Canada when converting lat/long to easting/northing? I can easily add various NAD27 datums, do folk use that still or is it too old?
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