Perhaps some of you have not noticed at http://www.geom.umn.edu/~worfolk/SaVi/ a description of SaVi, a program for visualization and analysis of satellite constellations. Best regards, ************************************************************************* * Arto Vuorela * tel. +358 205 41 5582 * * National Land Survey / Satellite Image Centre* fax +358 205 41 5505 * * PL 84, FIN-00521 Helsinki * arto.vuorela@nls.fi * * Finland * http://www.nls.fi/sat/ * *************************************************************************