The receiving unit is selectively connected to a transmitting unit that is configured to transmit the data over {HEAD ~ a return channel} that is established over {TAIL ~ the satellite} to a hub 
The receiving unit is selectively connected to a transmitting unit that is configured to transmit the data over { HEAD ~ a return channel } that is established over { TAIL ~ the satellite } to a hub
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH