![]() In VHF bands, only single-frequency call attempts are used. In MF and HF bands, distress alertĪttempts may be sent as a single-frequency attempt or a multi-frequency attempt on up to sixįrequencies within one minute. Recorded position and, if entered, the nature of the distress. ![]() In which a message format is transmitted identifying the station in distress, giving its last A distress alert sent by DSC consists of one or more distress alert attempts Generate the appropriate distress call format in the most recent version of Recommen-ĭation ITU-R M.541. ![]() If time is insufficient, in relation to a known geographical locationĭSC procedures use a combination of automated functions and manual intervention to the position, given as the latitude and longitude, or if the latitude and.the MMSI (if the initial alert has been sent by DSC). ![]()
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