My softwares (freeware) give exactly what Robert Sheaffer ask for. What gave that "Satellite Software Survey" proposed by Neil Clifford? My pleasure, avec plaisir, Alphonse alphonse.pouplier@skynet.be http://users.skynet.be/alphonse Main coord.: Wepion (Belgium) +50d25m27s 4d51m42s East phone: ..32 (0)81 460122 fax : ..32 (0)81 460567 Aux. coord.: Esparron de Verdon (France) +43d44m19s 5d58m12s East phone: ..33 (0)4 92 771407 Les habitudes sont les ennemies du progres.