二零二三年 优质公开课SSBTELEPHONECOMMUNICATIONPROCEDURES.pptx

GMDSS COMMUNICATION SERVICESCHAPTER 5 TERRESTRIAL RADIO COMMUNICATION SERVICESSection 2 SSB Telephone Communication Procedures Radio Telephony Procedures01To master how to conduct telephone communication A DSC is a digital alerting and calling system that operates on VHF, MF and HFThe system provides for distress alerting, urgency, safely and routine calling01 Radio Telephony Procedures Distress has priority over all other communicationsThe definition of distress has changed with the new regulations to include serious and imminent danger to life01 Radio Telephony ProceduresDistress The transmission of a distress call and message immediately following a distress alertOn receipt of one or more acknowledgements, the vessel in distress trans?mits its distress call and message by radiotelephony01 Radio Telephony ProceduresDistress The distress call is a broadcast, which means that it is not addressed to any station:MAYDAY x 3 THIS IS NAME x 3 CALLSIGN x 1 MMSI x 101 Radio Telephony ProceduresDISTRESS CALL Without waiting for a response, continue with the distress message: M MAYDAYI IDENTIFICATION -NAME,CALLSIGN AND MMSI P POSITIONN NATURE OF THE DISTRESS A ASSISTANCE REQUIRED N NUMBER ON BOARDO OTHER INFORMATIONO OVER01 Radio Telephony ProceduresDISTRESS MESSAGE those between the vessel in distress and other stations assisting in the rescue01 Radio Telephony ProceduresOn-scene CommunicationsChannel 16 (156.8 MHz) , 2182 kHz, 3023 kHz and channel 06 MAYDAYALL STATIONS x 3 THIS IS NAME x 3 CALLSIGN x 1 SEELONCE MAYDAY OUT01 Radio Telephony ProceduresProcedural Words Relating to Distress Working When a station learns that another vessel is in distress it may transmit a distress relay alert on its behalf01 Radio Telephony ProceduresDistress RelayIt is imperative to make it clear that it is not your vessel that is in distress but that you are the relay vessel. MAYDAY RELAY CALL: MAYDAY RELAY x 3COAST STATION x 3 OR ALL STATIONS x 3 THIS ISNAME of relay station x 3 CAL