Which of the following methods will give a GMDSS Radio Operator the best indication of whether ARQ communication can be established with a coast radio station?

Correct Answer: Option C — Monitor the coast radio station's "free signals" and call on the frequency on which the loudest and most consistent signals are heard.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Monitor the coast radio station's "free signals" and call on the frequency on which the loudest and most consistent signals are heard..