I have had no trouble at all with ps.map on our apollo machines. Both the 4.1beta and 4.0 version from moon works just fine ! Lars Lars Schylberg Email: larss at fmi.kth.se Dept. of Geodesy and Photogrammetry Royal Institute of Technology (KTH) Tel. +46 8 790 86 33 S-100 44 STOCKHOLM, SWEDEN Fax. +46 8 790 66 10