In prior art antenna designs, the feeds in a feed array 22 would be oriented relative to each other along {HEAD ~ a focal plane} which is perpendicular to {TAIL ~ the propagation direction} of the boresight or center beam to achieve the desirable pointing direction 
is perpendicular to
In prior art antenna designs , the feeds in a feed array 22 would be oriented relative to each other along { HEAD ~ a focal plane } which is perpendicular to { TAIL ~ the propagation direction } of the boresight or center beam to achieve the desirable pointing direction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH