A digital communications system for receiving a radio frequency signal transmitted over a transmission channel and for transmitting {HEAD ~ a transmitter signal} to {TAIL ~ the transmission channel}, said digital communication receiver including: 
to
A digital communications system for receiving a radio frequency signal transmitted over a transmission channel and for transmitting { HEAD ~ a transmitter signal } to { TAIL ~ the transmission channel } , said digital communication receiver including :
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH