wherein said left right, up down differential output signals and said left right and up down summing signals are recorded for computation of angle and magnitude of {HEAD ~ displacement} of said projectile in {TAIL ~ relationship} to the bore axis of said gun tube 
wherein said left right , up down differential output signals and said left right and up down summing signals are recorded for computation of angle and magnitude of { HEAD ~ displacement } of said projectile in { TAIL ~ relationship } to the bore axis of said gun tube
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH