Any radio communication service which is used for the safeguarding of human life and property, whether, permanently or temporarily, is a ______ service.

Every radio installation shall be clearly marked with the ______,the ship station identity and other codes as applicable for the use of the radio installation.

Every ship shall carry personnel qualified for ______ to the satisfaction of the Administration.

General radio communications in the global system are those between ______ concerning the management and operation of the ships and may have impact on their safety.

Satellites play an important part in the GMDSS, and ______.

Which of the following is not included in terrestrial communications?

It is ruled that SOLAS vessels should have the capability of transmitting ship-to-shore distress alerts by at least ______.

For ship-to-shore distress alert, we can use ______.

______ is (are) frequency (frequencies) used for inter-ship DSC calling purposes.

______ is (are) frequency (frequencies) can be used for routine DSC calling between ships, and between ship and shore respectively.

______ is the emission designation for VHF FM voice in the maritime service.

______ is the emission designation for MF/HF voice signals in the maritime service.

Regarding the functions of equipment in terrestrial systems, the choices listed below are all correct, except ______.

At mid-day, ______ would be the best choice in attempting to communicate with a shore station some 95 nautical miles distant.

In radiotelephony, the safety signal SECURITE shall be repeated ______ on the announcing frequencies.