Handy GPS - compass page
This page shows you the direction of magnetic or true north using a rotating compass bezel. The current bearing of the phone is shown as a number at the top of the page.
To switch between magnetic and true bearings click the "Type" button at the top-right of this page.
To ensure your phone's compass sensor is correctly calibrated, you should move the phone in a figure 8 pattern in the air periodically.
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