Compensating compass lag with the gyroscope on iPhone 4...

Compass guide to GPS destination...

Is this the way to make a compass?...

Passing Compass Points to PHP...

Kalman filter with complete data set?...

iPhone 3D compass...

WindDirection from point to point (or location)...

How can I make image always face up?...

Compass: from 359 to 0 degrees...

Can I emulate a compass on Android...

Where the iPhone compass points? (math question, not geography)...

CLLocation header is always -1...

Compass on 3GS is Different than on 4...

How to display wind direction?...

Showing an arrow that is heading a specific location...

Rotate an image to direct to a well know point using compass heading...

iphone 4 compass and map...

Android compass example does not seem to work in landscape mode...

Compass accuracy dilemma...

iPhone Compass: Adjust Heading to get Correct Reading in Landscape...

Rotation webkit problem when spinning like a compass...

iphone compass interference detection...

Why is link_to not taking me where I want it to?...