Learn how to calibrate your iPhone compass and improve accuracy. Also find out some quick fixes for your Compass app not working.

Ultimately, the compass app as a standalone application doesn't really do all that much but tell you which direction your BlackBerry is facing but when you start using GPS and other location based ...

Technical Terms Magnetometer Calibration: The process of adjusting and correcting the output of a magnetometer to account for systematic errors such as misalignment, bias and magnetic interference.