The program gtCompass enables you to use your iPhone as amplitude compass.
When starting the program, the current positioning data will be shown as numbers on your screen. Additionally to the position, the direction to which to device points, is shown. The reference edge of the main screen is the upper edge of the device.
In addition to the position, the following data is displayed:
- Direction (CoG)
- Magnet course
- Deviation
- Valuation for horizontal accuracy of the displayed position