GMDSS: Element 7

1. A Inmarsat-C antennas are smaller, with active parabolic antennas but no rewind capability.
2. B Inmarsat-C antennas are smaller, with passive non-parabolic antennas but no rewind capability.
3. C Inmarsat-FBB antennas are larger, with passive non-parabolic antennas that require rewind capability.
4. D Inmarsat-FBB antennas are larger, with stationary parabolic antennas but no rewind capability.

Tip: press A-D to answer