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quadrant elevation

   Also found in: Dictionary/thesaurus, Acronyms 0.01 sec.
quadrant elevation [′kwä·drənt ‚el·ə′vā·shən]
(ordnance)
Vertical angle between the base and the axis of the bore of a gun which exists just prior to firing.


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The other method is ignoring the range drum completely and applying a quadrant elevation to the elevation counter much like U.
In this particular case, there are at least two other conditions that can cause range error on an individual piece, as noted on the Gunnery Troubleshooting Job Aid in Figure 2: quadrant elevation fired and propellant temperature.
The sensors will measure direction and elevation settings on the fire control instruments, resulting in deflection, quadrant elevation and bubble leveling.
 
 
 
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