{TAIL ~ A dump signal} 1182 clears the accumulators at the end of {HEAD ~ each symbol period} 
{ TAIL ~ A dump signal } 1182 clears the accumulators at the end of { HEAD ~ each symbol period }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD