Since its first release in 2004, it is very appreciatedīy amateur astronomers but also by professionals who find in it a powerful Some money to support their efforts) that uses an intuitive and user-friendly Propagation programs - Ham, DSP and satellite tracking softwareĪ free software or more exactly a shareware (because you can donate them Pro - Sk圜harts / Cartes du ciel - Hallo Northern Sky - ExInEd
