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Old 11-17-2008, 22:39   #6
Pete S
Guerrilla
 
Join Date: Aug 2007
Location: Kitsap WA
Posts: 213
There is a mathmatical formula involed and you need a gunners quadrant.(I've only seen one once)

it's becoming a lost art.
From what I understand it was used extensively during the Korean War.
Pete S is offline   Reply With Quote