The program gtCompass enables you to use your iPhone as an amplitude compass. When starting the program, the current positioning data will be shown as numbers on your screen.
In addition to the position, the following data is displayed:
+ Direction (CoG)
+ Magnetic course
+ Deviation
+ Valuation for horizontal accuracy of the
displayed position
With a Tap on the "Compass"-Button the device shows a Cameraview with an aiming Overlay With a Snap-Button the actual shown Picture may be fixed. On this fixed View the snapped Direction is shown as a big number.