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