Upon receipt of SafetyNET™ messages of the Distress or Urgency category on the ship's EGC receiver, what action is required by the GMDSS Radio Operator?
Correct Answer
Manuallyreset the alarm.
No immediate action is required as an audible tone will be generated at the beginning and end of the transmission and a paper printout of the message will be generated.
No immediate action is required by the operator since the transmission will be automatically acknowledged by the receiving vessel.
A periodic alarm tone will be heard until the radio operator prints the message from the unit's memory.
What can be defined as the service that allows terrestrial information providers to send general information messages to pre-defined groups of subscribers?
What additional equipment provides the maximum availability for receiving SafetyNET™ broadcasts when the associated Inmarsat-C SES is engaged in communications?
An integrated EGC receiver with the existing Inmarsat-C equipment.
HF SSB can be used to receive voice MSI broadcasts.
Correct Answer
A separate EGC receiver.
Automatic switching between Inmarsat-C and EGC functions.
What is the equipment arrangement that provides the maximum availability for reception of MSI broadcasts when using Inmarsat-C for TELEX communications?
Correct Answer
Separate EGC receiver.
Integrating EGC receiver with the existing Inmarsat-C equipment.
Redundancy using HF SSB to receive voice broadcasts.
Automatic switching between Inmarsat-C and EGC functions.