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