The device uses fundamental equations for {HEAD ~ electricity} and magnetism that relate {TAIL ~ the measured magnetic field strength} to the location and strength of the magnetic dipole for each of the plurality of magnets 
The device uses fundamental equations for { HEAD ~ electricity } and magnetism that relate { TAIL ~ the measured magnetic field strength } to the location and strength of the magnetic dipole for each of the plurality of magnets
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH