GMDSS: Element 7

1. A Iridium terminals are compatible with the Inmarsat system for maximum flexibility.
2. B All ship-ship calls are passed through Iridium ground stations and then forwarded to the other ship.
3. C Ships-ship calls are routed through the satellites and passed through ground stations.
4. D Iridium satellites can pass the calls directly to the other ship using gateway signaling.

Tip: press A-D to answer