Which statement concerning Inmarsat-B and Inmarsat-C terminals is correct?

Correct Answer: Option B — Both Inmarsat-B and Inmarsat-C units are subject to shadowing effects, but Inmarsat-B units have directional antennas.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Both Inmarsat-B and Inmarsat-C units are subject to shadowing effects, but Inmarsat-B units have directional antennas..