Supported ellipsoids are listed in the etc\ellips.txt file in your CATALYST Professionalinstallation directory.
Software is available to the public for converting NAD1927 coordinates to NAD1983 coordinates.
Canadian users can contact the following for the National Transformation package, Version 2 (NTv2):
Geodetic Survey Division
615 Booth Street,
Ottawa, ON
Canada K1A 0E9
Attn: Client Services
Tel: 1-613-995-4410
Fax: 1-613-995-3215
The National Transformation package is also available through the Provincial Survey Agencies.
American users can contact the following for the NADCON package:
National Geodetic Information Center
N/CG174, Rockwall Bldg., Room 24
National Geodetic Survey, NOAA
Rockville, MD 20852
Tel: 1-301-443-8631
Fax: 1-301-881-0154
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