The sample hold pulse signal SH1 turns on {HEAD ~ switch} 170 allowing {TAIL ~ analog data} from antenna 32 to pass through the switch 170 to the resistor R16 and capacitor C16 which form sample/hold circuit 171 
allowing
The sample hold pulse signal SH1 turns on { HEAD ~ switch } 170 allowing { TAIL ~ analog data } from antenna 32 to pass through the switch 170 to the resistor R16 and capacitor C16 which form sample / hold circuit 171
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH