Geo Sat Calculator is a free Android application developed by Alessandro Francalanza. This program calculates the angle of the azimuth, elevation, and polarization of a satellite. It is a useful tool for those who are interested in satellite communication, and it is suitable for both professionals and amateur users.

The application allows users to detect their geographical position, expressed as Latitude North and Longitude East, by using GPS, manually entering the position, or selecting it from a list updated by the user. Additionally, the satellite longitude (in degrees east) can be entered manually or selected from a list of some pre-stored satellites. This feature allows users to calculate the angle of the azimuth, elevation, and polarization of a specific satellite accurately.

Overall, Geo Sat Calculator is an excellent application for anyone interested in satellite communication. Its user-friendly interface and accurate calculations make it a valuable tool for both professionals and amateur users.