In yet another embodiment, {HEAD ~ the electric field sensors} are configured as {TAIL ~ elements} of a phased array antenna 
are configured as
In yet another embodiment , { HEAD ~ the electric field sensors } are configured as { TAIL ~ elements } of a phased array antenna
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH