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LR high angle shooting pressure diff.

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Unread 02-22-2010, 01:02 AM
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LR high angle shooting pressure diff.

I have been having trouble with some high angle shots while practicing. I use Exbal and work out drops for set out targets at 1000 to 1600 yards with about 1200ft to 2200ft of elevation drop/rise depending on the distance and location.

Now the down hill shots seem to work out OK but with the up hill shots I am getting some errors. I think that maybe the difference between station pressure and target pressure is not being applied right?

I have recalculated some of my shots at home using JBM calculator and it gives slightly different drops to Exbal in this situation. Like about 1.5 MOA on the steeper and longer shots.

Any ideas?
scientia est potentia
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