Maritime Restricted Radiotelephone Operator’s Certificate Syllabus The eNautical MRROC Home Study Course covers the following Maritime Restricted Radiotelephone Operator’s Certificate Syllabus: Radiotelephone operation and procedures. Distress, Urgency, and Safety calls (MF/VHF).  Nature of required information. Distress, Urgency, and Safety messages. Acknowledgement, Relaying, and Control of Distress traffic.  Role of coast stations, role of ship … Continue reading MRROC Syllabus