{HEAD ~ Each feed} is coupled to {TAIL ~ a feed network} which acts to combine the illumination beams of a preselected number of feeds to produce a plurality of composite illumination beams each of which having a central ray 
is coupled to
{ HEAD ~ Each feed } is coupled to { TAIL ~ a feed network } which acts to combine the illumination beams of a preselected number of feeds to produce a plurality of composite illumination beams each of which having a central ray
HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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 OTH OTH OTH OTH OTH