Gmdss : Element 7 - 168/600
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| Which of the following are the MF/HF DSC Distress watch frequencies |
| A) 2177.5, 4210.0, 6314.0, 8416.5 12579.0, 16806.5 |
| B) 2182.0, 4125.0, 6215.0, 8291.0, 12290.0, 16420.0 |
| C) 2187.5, 4207.5, 6312.0, 8414.5, 12577.0, 16804.5 |
| D) 2174.5, 4177.5, 6268.0, 8376.5, 12520.0, 16695.0 |
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