Quote:
Originally Posted by alphaod
Well, since Magnetic North is not the same as True North, there is perhaps an error in the calculations that would be affected. I know whenever I travel to different countries with my phone, I need to recalibrate the compass or it may show incorrect compass directions, so I imagine it's the same thing on a vehicle.
|
Pretty sure the compass indicator is based off GPS information and displays true north, not magnetic north.
Your phone too uses GPS data for correction and I know mine displays true north. If yours displays magnetic north, it must be doing a conversion from true to local magnetic headings.