Gmdss : Element 7 - 509/600
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| A "Distress Hot Key" MF/HF DSC Distress Alert: |
| A) Will be transmitted on 2187.5 kHz or another DSC frequency, depending on the manufacturer. |
| B) Will always be transmitted on 2187.5 kHz and 8414.5 kHz to trip DSC alarms on the mandatory MF/HF DSC watch frequencies. |
| C) Will always be transmitted on 2187.5 kHz to alert the nearest vessels and coast stations. |
| D) None of the above |
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