This will only work on a smartphone with geolocation and a clear view of the sky. To use, grant the permission when your phone asks for it.
Measurement uncertainty will depend on your phone, and is typically +/- 20m.
This will only work on a smartphone with geolocation and a clear view of the sky. To use, grant the permission when your phone asks for it.
Measurement uncertainty will depend on your phone, and is typically +/- 20m.