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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Altitude vs. Barometric pressure
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<blockquote data-quote="Hugnot" data-source="post: 2087439" data-attributes="member: 115658"><p>In the old days, we were issued barometer/altimeters for making elevation determinations. The deal was to calibrate the altimeter at a known elevation then use change in pressure for elevation determinations. Now GPS is available and ends the problem when storms roll in. Ground mapping is much better now. The common Miller twist/stability program uses barometric pressure and temperature.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2087439, member: 115658"] In the old days, we were issued barometer/altimeters for making elevation determinations. The deal was to calibrate the altimeter at a known elevation then use change in pressure for elevation determinations. Now GPS is available and ends the problem when storms roll in. Ground mapping is much better now. The common Miller twist/stability program uses barometric pressure and temperature. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Altitude vs. Barometric pressure
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