Distributed network for multi lateration with {HEAD ~ circularly polarized antenna} for {TAIL ~ hemispherical coverage} 
for
Distributed network for multi lateration with { HEAD ~ circularly polarized antenna } for { TAIL ~ hemispherical coverage }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL