GMDSS. FCC Test 51

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A Distress Priority DSC call may be formatted and transmitted specifying and requesting:
Through which coast radio station(s) may a U.S.-flag merchant vessel communicate?
What is the best source of information to find changes or additions to the routine communications frequencies of a Commercial Radio Station?
To make a call to another vessel requesting telex communications regarding important company business, the GMDSS operator should:
To make a call to another vessel requesting voice communications regarding important company business, the GMDSS operator should:
What is the best procedure for calling another ship station using HF radiotelephone when the signals are weak but readable?
The purpose of the MF/HF DSC controller is?
A 'Distress Hot Key' MF/HF DSC Distress Alert:
A multi-frequency MF/HF DSC Distress Alert:
What is the correct procedure for calling a coast radio station using HF radiotelephone?
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