Datum types used for UTM
| Member Name | Description |
|---|---|
| WGS84 | NAD83/WGS84 use Global |
| GRS80 | GRS use US |
| WGS72 | WGS72 use NASA, DOD |
| AUSTRALIAN1965 | Australian use Australia |
| KRASOVSKY1940 | Krasovsky use Soviet Union |
| INTERNATIONAL1924 | International (1924) -Hayford (1909) use Global |
| CLAKE1880 | Clake use France, Africa |
| CLARKE1866 | Clarke use North America |
| AIRY1830 | Airy use Great Britain |
| BESSEL1841 | Bessel use Central Europe, Chile, Indonesia |
| EVEREST1830 | Everest use South Asia |
Namespace: serial
Assembly: gpsx (in gpsx.exe)