The frequency sensitive phase error signal is then used to reduce at least the frequency error with respect to {HEAD ~ the received digital input signal} to enable {TAIL ~ locking} of the receiver to the carrier of the digital signal 
to enable
The frequency sensitive phase error signal is then used to reduce at least the frequency error with respect to { HEAD ~ the received digital input signal } to enable { TAIL ~ locking } of the receiver to the carrier of the digital signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH