work. Unlike analogue compasses, a digital compass relies on an accelerometer and a magnetometer, and may provide information about the reliability of a measurement (e.g. by repeating the same measurement and performing statistical analysis). Uses Taking a bearing Measuring vertical angles with clinometer Defining points of the same elevation Measuring strike and dip. References External links The Brunton company How to use the Brunton compass Easy explanation how to use a Brunton Introduction to the Brunton Compass Structural geology Surveying Canadian inventions