GMDSS: Element 7

1. A Initiate call with CS selcal, observe exchange of answer-backs (WRU-AAB), send message.
2. B Initiate call with ship selcal, enter “HERE IS” then “WRU” commands and send message.
3. C After phasing with the other vessel, observe exchange of answer-backs (WRU-AAB), send message and then KKKK to end the transmission.
4. D After phasing with the other vessel then send GA+? to determine if they are ready to receive your message.

Tip: press A-D to answer