The error correcting module 304 corrects {HEAD ~ the error} in {TAIL ~ the measured speed} by subtracting the correction value from the error 
in
The error correcting module 304 corrects { HEAD ~ the error } in { TAIL ~ the measured speed } by subtracting the correction value from the error
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH