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                                                                     ROC          ROC Refresher
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                                 รายละเอียด                     ทฤษฎ  ี  ปฏบต ิ  ทฤษฎ  ี  ปฏบต ิ   เอกสารอ้างอิง
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                                                               (ชั่วโมง)   (ชั่วโมง)   (ชั่วโมง)   (ชั่วโมง)
                 5.7 Fault location and service on GMDSS marine electronic   -  0.5  -     -
            equipment
            6. GMDSS Component                                    -       -       7.0     2.0
                6.1  General including safety precautions (preventive measures   2.0  -
            for the safety of ship and personnel for hazards related to radio
            equipment including electrical and non-ionizing radiation hazards)
                6.2  VHF DSC                                     2.0     6.0       -       -
                       6.2.1 Basics
                       6.2.2 Use and functions of the VHF radio station                          R11
            installation
                       6.2.3 DSC Possibilities                                                   R12
                       6.2.4 Operational VHF DSC procedures in the GMDSS                         R9 Art.30-33
                      6.2.4.1  Telecommand and traffic information
                      6.2.4.2  Channel selection in call format                                  R11, R12
                       6.2.4.3  DSC acknowledgement
                        6.2.4.4  DSC relay process
                        6.2.4.5  Test transmissions
                       6.2.5 Alerting and announcement
                        6.2.5.1  Distress alert                                                  R9 Art.32
                       6.2.5.2  Distress alert relay                                             R9 Art.32
                      6.2.5.3  Announcement for all ships (Distress,                             R9 Art.33
            Urgency, Safety)
                      6.2.5.4  Announcement to individual station                                R9 Art.33
            (Urgency, Safety, Routine)
                       6.2.5.5  Group announcement (Urgency, Safety,                             R11
            Routine)
                       6.2.5.6  Polling and position request                                     R11, R12
                       6.2.5.7  Automatic/Semi-automatic service with                            R11, R12
            coast stations
                       6.2.5.8  Practical VHF tasks
                6.3  VHF Voice procedure                         2.0     5.0       -       -
                       6.3.1 Distress procedure                                                  R9 Art.32
                       6.3.2 Urgency procedure
                       6.3.3 Safety procedure
                       6.3.4  Port operation and ship movement communication
                       6.3.5 Routine communication                                               R11
                      6.3.5.1  Calling a subscriber (Ship-to-shore)                              R11
                      6.3.5.2 Phone call from ashore (shore to ship)
                      6.3.5.3 Transmission of a telegram                                         R14
                       6.3.6 Intership communication
                       6.3.7 On board communication                                              R11
                       6.3.8 Practical VHF tasks
                6.4  Inmarsat                                    1.0      -        -       -     T3-1 , A3
                       6.4.1  Inmarsat space segment
                       6.4.2  Inmarsat ground segment
                 6.5  Cospas/Sarsat                              1.0      -        -       -
                       6.5.1  Cospas-Sarsat space segment
                       6.5.2  Cospas-Sarsat ground segment
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