GMDSS: Element 7

1. A Either the call was incorrectly formatted by the other vessel or the other vessel has presumably lost MF/HF voice capability.
2. B The DSC controller decoded the contents of the DSC call but the request is illegal.
3. C Both a) and d) are true
4. D The DSC call came in on 4 MHz DSC but either the call was incorrectly formatted by the other vessel or your controller failed to decode the receive field of the alternate frequency entry and only your Transmit set-up is correct.

Tip: press A-D to answer