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The lists of GeoDatum supported are (amongst many others):
+ WGS 1984 (Geographic projection; longitude-latitude)
+ SVY21 (Singapore)
+ Ordnance Survey Great Britain 1936 (Great Britain)
+ CH1903 (Switzerland)
+ Rijks Driehoekstelsel (The Netherlands)
+ Gauss Krueger Austria M34 (Austria)
+ Gauss Krueger Austria M31 (Austria)
+ Gauss Krueger Meridian3 (Germany)
+ TWD 1967 (Taiwan)
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