qth-a.zip ( qth.exe ) is a very small DOS application for radio amateurs. You find an example by means of submenu of Satellites : Audio ( parts of QSO ) which leads to Satellite QSO ( Audio Fragments ). It calculates the distance and the actual, current antenna direction for your own station. And also those of the other station. After typing the two concerning QTH locators. Also the locations have been calculated in degrees ( and minutes and seconds ).

the actual, real antenna direction : if you would use for example a map, the values found, would be not always equal to the real values.