When Inmarsat-B and Inmarsat-C terminals are compared:

Correct Answer: Option C — Inmarsat-C antennas are smaller, with passive non-parabolic antennas but no rewind capability.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Inmarsat-C antennas are smaller, with passive non-parabolic antennas but no rewind capability..