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The communication system used by the GMDSS includes____.

The GMDSS defines four sea areas based on the____.

GMDSS is the abbreviation of____.

What is the primary purpose of the GMDSS?

The GMDSS must combine all various subsystems, ①they all have different limitations with respect to coverage; ②they all have different limitations in the technology they use;③different systems apply to different ships

Which of followings is not included in the GMDSS?

The followings are used in the GMDSS except____.

The following radio communication systems are used in the GMDSS except____.

What equipment are associated with the land or terrestrial systems?

The communication arrangements are designed to enable distress alerting to be performed in all three directions:____in all sea areas.

Which of the following is a required GMDSS function?

What is not the basic concept (or function) of GMDSS?

Which function is the most important one of the GMDSS?

How is the A3 sea area defined by IMO?

A SES can be used____

Without permission of____, a ship earth station cannot enter the system.

Which of the following optional equipment can be used by a ship in area A3 for ship-to-shore distress alerting?

Why should the SES operators be very careful when the ship enters the area where three ocean regions overlap? Because____.

The INMARSAT SES operator can choose the most suitable CES according to____.

During a____period, as a newly commissioned SES, your IMN will be pasted to the other CESs.