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adjusting for new altitude?

 
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  #1  
Old 08-01-2008, 11:34 AM
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Join Date: Feb 2008
Location: Denmark
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adjusting for new altitude?

Hi.

I would like to know how to adjust for a new altitude.

I got my data set for 1000 ft Its zero'd for 200 yards, i got all data I need.

Then I go hunting at 3000 ft, I got all the data too for that altitude.

Then heres my big question....

How do I set it so I wont need to zero it at 200 yards at 3000ft altitude, to make sure it will get correct when i start to dail the elevation ?
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Old 08-01-2008, 06:42 PM
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Join Date: Nov 2003
Location: Washington State
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Either do it by shooting at that new altitude (1000' to 3000' is not enough to matter unless your shooting extremely long distance...as in probably a mile or more) or use a program like Exbal that will do this for you. The barometric pressure at your site in location and hunting location have much more to do with how that bullet will fly than altitude, but inputting the altitude can have a small difference if shooting long range with a significant altitude change. Short answer: get Exbal! Have fun!
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Old 08-02-2008, 08:44 AM
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carry a barometer and exbal, if you know your bar pressure you can use "0" as your altitude.
RR
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  #4  
Old 08-02-2008, 12:17 PM
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Join Date: Feb 2008
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Thought that altitude counted for more Sounds like a great idea with the bar pressure, will make things easy'er.
Here's the big thing now, what is best exbal or Night force?

Thanks for the reply.
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  #5  
Old 08-02-2008, 03:13 PM
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as I understand it, they are the same.
RR
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