In this example embodiment, {HEAD ~ camera rotation} is sensed by {TAIL ~ rate gyroscope} 301 
is sensed by
In this example embodiment , { HEAD ~ camera rotation } is sensed by { TAIL ~ rate gyroscope } 301
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH