9-31C3 A
 An Inmarsat-C terminal will not "LOG IN" and shows an "Antenna not connected" alarm. What action would you take?   
A. Short one end of coax cable. If the resistance is above one ohm replace the cable.
B. Change to a different satellite and try a new "LOG IN".
C. Replace the antenna unit.
D. Replace the AZ-EL board.
