GMDSS: Element 7

1. A Must always be sent on VHF Ch-70.
2. B Must always be sent on MF 2 MHz plus one other HF DSC frequency.
3. C Will always be sent on one or more of the DSC Distress frequencies.
4. D Must always be sent on VHF Ch-70, then 2 MHz MF then 8 MHz HF.

Tip: press A-D to answer