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