> convert from WGS84 to European 1979? I havn`t found no formula to > convert it automatically. In hope there is someone on the list who > has more Informations for calculate it. Geotrans (found at http://earth-info.nga.mil/GandG/geotrans/ ) can convert WGS84 <-> european 1979 (EUR), and many more. Source code available. br, Robert