{TAIL ~ a decoder} coupled to the receiver for recovering {HEAD ~ the selective call message} from the demodulated signal 
{ TAIL ~ a decoder } coupled to the receiver for recovering { HEAD ~ the selective call message } from the demodulated signal
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH