For maximum detection capability, each of {HEAD ~ a plurality} of {TAIL ~ tag emission receivers} is equipped with a circularly polarized, omnidirectional antenna, to provide hemispherical coverage 
of
For maximum detection capability , each of { HEAD ~ a plurality } of { TAIL ~ tag emission receivers } is equipped with a circularly polarized , omnidirectional antenna , to provide hemispherical coverage
OTH OTH OTH OTH OTH OTH OTH HEAD 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