Gmdss : Element 7 - 112/600
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| What are the mandatory DSC watchkeeping bands/channels? |
| A) VHF Ch-70, 2 MHz MF DSC, 6 MHz DSC and 1 other HF DSC. |
| B) 2 MHz MF DSC, 8 MHz DSC, VHF Ch-16 and 1 other HF DSC. |
| C) 8 MHz HF DSC, 1 other HF DSC, 2 MHz MF DSC and VHF Ch-70. |
| D) None of the above |
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