GMDSS: Element 7

1. A The vessel then requests the coast radio station's SELCALL so that communication can be set up on the appropriate working channel.
2. B Since communication has already shifted to the working channel, the vessel then transmits the subscriber number and text of the message to be sent for the coast radio station to store and forward.
3. C After exchanging answer-backs (WRU-AAB) with the vessel, the coast radio station transmits GA+?.
4. D None of the above

Tip: press A-D to answer