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