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