A、NBDP/VHF radio
B、Inmarsat safetyNet/NAVTEX
C、Safety service / Inmarsat-A
D、Long range / short range
更多“In the GMDSS, MSI broadcasts will be made on two dedicated systems:（）and（）.”相关的问题
A、In the Captain's office B、In the sea cabin C、At the GMDSS operating position D、Anywhere on board the vessel
A、Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance B、Urgent communications do not need to be entered in the GMDSS radio log C、Both of the above D、None of the above
A、satellite and terrestrial communication systems B、only navigational and alerting systems C、just MSI system and locating system D、SAR co-ordination system
A、No, it receives the MSI from ship stations B、Yes, it can C、only with NBDP terminal, can it receives the MSI sent from coast stations D、No, it can not receive the MSI sent from coast stations
A、A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea B、B.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well C、C.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications D、D.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
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