USE OF SATEL13 ROUTINE: click on satel13e.exe (english version) or type: SATEL13 (return) under DOS enter then the planet that you wish, then the date; by default, the date is the one of the PC clock. Positions of the main satellites of : Mars, Jupiter, Saturn et Uranus. Valid : from 1 jan 1994 -> 31 dec 2003 Access to several functions through: "up arrow ": the date increases one step "down arrow" : the date decreases one step "page up" : increase the step "page down" : decrease the step "F1" : Help X : provides positions of satellites/planet P : provides the phenomena of the day Z : decrease the field of the screen (zoom) S : increase the field on the screen A : run the motion (step by step,time increasing) R : motion (time decreasing) T : each step is marked on the screen N : write or erase the numbers of the satellites W : show the motion of the satellites in real time L : create a POSTCRIPT file for laser printer (c) F. Colas, J.E. Arlot, W. Thuillot Professional or commercial use forbidden without authorization