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Magnetic Declination
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![How to Find True and Magnetic Heading with E6B Flight Computer [Video]](https://i.ytimg.com/vi/i3dBEi6cG_I/maxresdefault.jpg "How to Find True and Magnetic Heading with E6B Flight Computer [Video]")
How to Find True and Magnetic Heading with E6B Flight Computer [Video]
Magnetic declination - Wikipedia
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