User Panel
User Panel
User Panel
OR, USA
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Posted: 2/13/2018 1:11:33 AM EDT
When using Bryan Litz JBM trajectory software should I check the corrected or absolute pressure box when using US weather service data?
It makes a huge difference at 1000 yards (3 MOA). |
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USA
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Posted: 2/13/2018 1:29:05 AM EDT
[Last Edit: MemeWarfare]
[#1]
Published data is typically corrected. You are generally only going to get absolute pressure from your own barometer, or device containing a pressure sensor like a Garmin GPS, Kestrel, or Samsung phone (Suck it, Apple)).
And when using corrected pressure you need to input accurate elevation. |
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OR, USA
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Posted: 2/14/2018 5:30:00 PM EDT
[#2]
Thanks airsix.
I usually enter data from weather service before I go to range. humidity, pressure, expected temperature (I look at hourly weather), and I know elevation already. I have been doing this and getting pretty reliable come ups. But I have not un-checked the corrected box when I entered that data. Is that how you would do it? |
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