You send a MF-DSC Distress alert. What frequency do you use for the follow-on voice transmission?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 2182 kHz
Following a MF DSC distress alert on 2187.5 kHz, the mandatory frequency for follow-on voice communications is 2182 kHz. This frequency is the international MF distress and calling channel, ensuring that all vessels equipped with MF radiotelephony can receive and participate in the distress traffic.
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