What is the best way to test the INMARSAT-C terminal?

Correct Answer: Option A — compose and send a brief message to your own INMARSAT-C terminal

Loopback testing by composing and transmitting a short message back to your own Inmarsat-C terminal verifies end-to-end functionality of the antenna, transceiver, network coordinator, and satellite link without unnecessarily alerting shore-side Rescue Coordination Centers.