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