{HEAD ~ Reflected pulses} from a missile are received by each of the four antennas and then supplied by {TAIL ~ a radio frequency switch} to a scalar scoring system which provides an analog video signal to four analog switches 
supplied by
{ HEAD ~ Reflected pulses } from a missile are received by each of the four antennas and then supplied by { TAIL ~ a radio frequency switch } to a scalar scoring system which provides an analog video signal to four analog switches
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH