The system, according to the invention, positively employs a narrow portion of {HEAD ~ the width} of {TAIL ~ the lock frequency range} of the phase locked loop 
The system , according to the invention , positively employs a narrow portion of { HEAD ~ the width } of { TAIL ~ the lock frequency range } of the phase locked loop
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH