Within a single sea area, what is the primary reason GMDSS imposes carriage requirements for different radio subsystems?

Question

Accepted Answer

The combined capabilities of redundant subsystems mitigate the risk of a single point of failure.

Answer

Redundancy in duplicating all operational functions in the event of a system failure.

Answer

Different subsystems are required to meet the specific equipment carriage requirements of national authorities.

Answer

GMDSS vessels must be equipped to communicate in all modes with coast radio stations.

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