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