App for AndroidThe Determinant of Coordinates of Your Location and of the Altitude Above Sea-Level
Using this program for Android one can determine the coordinates and altitude above sea-level of the place of your actual location.
You can write down these coordinates and look at the placing of the preserved data on the map in any time that is convenient for you.
Before downloading, allow the installation of third-party applications (System / Security Settings / Unknown sources)
Precision of coordinates determination much depends on your mobile device and on options choosen in the main menu of the Settings/Personal/Location/Mode.
Having taken 'Airplane mode' into the top menu, You can imitate the situation of absence of mobile communication and test then if your Smartphone finds satellites outside the city.
Before starting this application certainly you need activate the option 'Location' in the top menu.