This application is a set of several tools that we collected for you in one complete application where through it you can: 1- Know the location of satellites in space compared to your location , this location are Illustrated on a compass in different forms(gps in a circle form,glonass in the form of a triangle and other forms for the other satellites......) this forms are colored according to signal strength.You can also display and hide what you want. 2- Graphic columns which present the sign