Gmdss : Element 7 - 161/600
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| A DSC Distress alert: |
| A) Must always be sent on VHF Ch-70. |
| B) Must always be sent on MF 2 MHz plus one other HF DSC frequency. |
| C) Will always be sent on one or more of the DSC Distress frequencies. |
| D) Must always be sent on VHF Ch-70, then 2 MHz MF then 8 MHz HF. |
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