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