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