The predicted magnetic field values are compared with {TAIL ~ the actual measured values} provided by {HEAD ~ the magnetic sensors} 
The predicted magnetic field values are compared with { TAIL ~ the actual measured values } provided by { HEAD ~ the magnetic sensors }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD