Angular velocity signal 302 passes to {HEAD ~ integrator} 303, which integrates {TAIL ~ the signal} and produces angular position signal 304 
integrates
Angular velocity signal 302 passes to { HEAD ~ integrator } 303 , which integrates { TAIL ~ the signal } and produces angular position signal 304
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH