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Hunting
The Basics, Starting Out
Sight In Atmosphere Question
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<blockquote data-quote="406precision" data-source="post: 999235" data-attributes="member: 69335"><p>Powder temp is simply the temp that your powder was when you collected or verified your velocity.</p><p></p><p>For all intensive purposes we leave that with a zero input as it is very hard to determine exactly what that figure should be.</p><p></p><p>The zero atmosphere is an option that allows you to enter aNY zero number and have the program auto calculate changes to your zero based on current atmospheric conditions compared to those from when you zeroed. The reason they claim this is not necessary is that the minute changes that occur at 100 yards based on these environmental differences are so small that they are very hard to evaluate between shooter error and a calculation diffrence.</p><p></p><p>No matter what you do always take the time to zero your rifle or moving to an area that is way different than where you zeroed.</p><p></p><p>These programs base all calculations off of a true zero if you fail to verify your zero then it's garbage in and garbage out.</p><p></p><p>Jordan@406</p></blockquote><p></p>
[QUOTE="406precision, post: 999235, member: 69335"] Powder temp is simply the temp that your powder was when you collected or verified your velocity. For all intensive purposes we leave that with a zero input as it is very hard to determine exactly what that figure should be. The zero atmosphere is an option that allows you to enter aNY zero number and have the program auto calculate changes to your zero based on current atmospheric conditions compared to those from when you zeroed. The reason they claim this is not necessary is that the minute changes that occur at 100 yards based on these environmental differences are so small that they are very hard to evaluate between shooter error and a calculation diffrence. No matter what you do always take the time to zero your rifle or moving to an area that is way different than where you zeroed. These programs base all calculations off of a true zero if you fail to verify your zero then it's garbage in and garbage out. Jordan@406 [/QUOTE]
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The Basics, Starting Out
Sight In Atmosphere Question
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