A regularly updated list of all supported ellipsoids (and spheres) and their corresponding parameters can be found at the URL below.
When a reference ellipsoid is not listed, you can add this ellipsoid by yourself by entering the flattening and semi-major axis values.
Also please notify our helpdesk, so we can include it in the next release of the software.
http://www.eye4software.com/hydromagic/documentation/supported-ellipsoids/
