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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Magnetic North vs. True North....?
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<blockquote data-quote="Garycrow" data-source="post: 1095693" data-attributes="member: 30743"><p>The kestrel default setting is magnetic north because that's what it reads from it's digital compass. If you use the true north setting you'll need to input the variation for your location to make everything match up. Wind direction is calculated in magnetic north by the instrument. </p><p></p><p>I agree with Greyfox that you'd probably never notice a difference and I'd probably leave it at the default setting. However, the true north setting would potentially be more accurate because of the mentioned reason of the coriolis effect being determined by the earth's axis (true north) rather than the magnetic poles. You just have to be sure you know your location's magnetic declination angle to enter.</p><p></p><p>The magnetic declination of your location is easy to find by going to this website:</p><p></p><p> <a href="http://www.magnetic-declination.com/" target="_blank">Magnetic Declination</a></p></blockquote><p></p>
[QUOTE="Garycrow, post: 1095693, member: 30743"] The kestrel default setting is magnetic north because that's what it reads from it's digital compass. If you use the true north setting you'll need to input the variation for your location to make everything match up. Wind direction is calculated in magnetic north by the instrument. I agree with Greyfox that you'd probably never notice a difference and I'd probably leave it at the default setting. However, the true north setting would potentially be more accurate because of the mentioned reason of the coriolis effect being determined by the earth's axis (true north) rather than the magnetic poles. You just have to be sure you know your location's magnetic declination angle to enter. The magnetic declination of your location is easy to find by going to this website: [url=http://www.magnetic-declination.com/]Magnetic Declination[/url] [/QUOTE]
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Magnetic North vs. True North....?
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