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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Altitude vs. Barometric pressure
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<blockquote data-quote="Mikecr" data-source="post: 85299" data-attributes="member: 1521"><p>[ QUOTE ]</p><p>Therefore it's important that when using Exbal you input the elevation you zero-in for including barometric pressure, temp. and humidity... </p><p></p><p>[/ QUOTE ]</p><p></p><p>Altitude is never needed. Not even with Exbal's "Edit Sight-In conditions". Just uncheck "Calculate Standard Atmospheric Conditions", and enter pressure you zero'd the rifle at. A bug in Exbal(atleast mine) is that it generally will not take until I've calculated &amp; re-entered this pressure. I have brought it to Perry Systems attention.</p><p></p><p>Altitude has no effect on Mach#, as JBM stated. Just another oversight from PS.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 85299, member: 1521"] [ QUOTE ] Therefore it's important that when using Exbal you input the elevation you zero-in for including barometric pressure, temp. and humidity... [/ QUOTE ] Altitude is never needed. Not even with Exbal's "Edit Sight-In conditions". Just uncheck "Calculate Standard Atmospheric Conditions", and enter pressure you zero'd the rifle at. A bug in Exbal(atleast mine) is that it generally will not take until I've calculated & re-entered this pressure. I have brought it to Perry Systems attention. Altitude has no effect on Mach#, as JBM stated. Just another oversight from PS. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Altitude vs. Barometric pressure
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