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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question about barometric pressure vs altitude
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<blockquote data-quote="Alan Griffith" data-source="post: 833460" data-attributes="member: 4686"><p>When I use Shooter and enter actual barometric pressure or enter the altitude I get two different sets of dope. At 1000 yards I am just under 4, MOA off. When I use the engineeringtoolbox.com and the altitude / barometric pressure chart I use 10000 feet or 20.6 barometric pressure. I can give exact ballistic specifications but at this time I do not feel it is relevant. It is more a difference of getting one read out using barometric pressure and the other read out using exact altitude.</p><p></p><p>Alan</p></blockquote><p></p>
[QUOTE="Alan Griffith, post: 833460, member: 4686"] When I use Shooter and enter actual barometric pressure or enter the altitude I get two different sets of dope. At 1000 yards I am just under 4, MOA off. When I use the engineeringtoolbox.com and the altitude / barometric pressure chart I use 10000 feet or 20.6 barometric pressure. I can give exact ballistic specifications but at this time I do not feel it is relevant. It is more a difference of getting one read out using barometric pressure and the other read out using exact altitude. Alan [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question about barometric pressure vs altitude
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