GMDSS: Element 7

1. A Nature of Distress, vessel position, follow-on frequency, only voice follow-on communications.
2. B Nature of Distress or alternate frequency but not both in a single call, vessel position or alternate frequency/emission but not both in a single call, voice or TELEX follow-up communications.
3. C Nature of Distress or alternate frequency but not both in a single call, vessel position or alternate frequency/emission but not both in a single call, only TELEX follow-up communications
4. D Nature of Distress, vessel position, follow-on frequency, only TELEX follow-on communications.

Tip: press A-D to answer