The SATPS unit includes a SATPS antenna and {HEAD ~ a SATPS receiver} for receiving {TAIL ~ signals} from satellites of the SATPS and a radio for coupling the received signals to the rover unit 
for receiving
The SATPS unit includes a SATPS antenna and { HEAD ~ a SATPS receiver } for receiving { TAIL ~ signals } from satellites of the SATPS and a radio for coupling the received signals to the rover unit
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH