The device may use an iterative process to determine {HEAD ~ the actual location} and orientation of {TAIL ~ each magnet} 
of
The device may use an iterative process to determine { HEAD ~ the actual location } and orientation of { TAIL ~ each magnet }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL