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ID:51617391
大小:7.53 MB
页数:80页
时间:2020-03-26
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1、CHAPTER2shipstationmanagement2021/9/211ProducedbyTangxuhongAshipboardradiostationincludesallthetransmittingandreceivingequipmentinstalledaboardashipforcommunicationsafloat.Dependingonthesize,purpose,ordestinationofaship,itsradiostationmustmeetcertainrequirementsestablishedbylawortreaty.Shipst
2、ationsmaycommunicatewithothershipstationsorcoaststationsprimarilyforsafety,andsecondarilyfornavigationandoperationalefficiency.Coastalstationsinthemarineservicesarethelinksbetweenvesselsatseaandactivitiesashore.Theyarespreadthroughoutthecoastalandinlandareastocarryradiosignalsandmessagestoandfr
3、omshipsonthewater.2021/9/212ProducedbyTangxuhong2.1IdentificationsofRadioStation2.1.1CallsignCallsignsisauniqueidentifierofaradiostation.NamedbyITU.(seeArticle25oftheITURadioRegulations).Itcanbeusedformanualidentificationofradiotelephoneshipandcoaststations,406MHzEPIRBs,otherradiotransmissions.
4、Itconsistsofcharacterstring.Themaximumlengthis7characters.Thefirsttwocharactersofcallsignsshallbetwolettersoraletterfollowedbyadigitoradigitfollowedbyaletter.2021/9/213ProducedbyTangxuhong(1)Coastalstations1)–twocharactersandoneletter,or–twocharactersandoneletterfollowedbynotmorethanthreedigits
5、(otherthanthedigits0and1incaseswheretheyimmediatelyfollowaletter).2)However,itisrecommendedthat,asfaraspossible,thecallsignsoffixedstationsconsistof:–twocharactersandoneletterfollowedbytwodigits(otherthanthedigits0and1incaseswheretheyimmediatelyfollowaletter).2021/9/214ProducedbyTangxuhongForin
6、stance:A9MBahrainCoaststationXSGShanghaiCoastStationXSB2JiujiangRadioStationXSE48DandongRadioStationForChinesecoastalstations,callsignsareXSA―XSZ.2021/9/215ProducedbyTangxuhong(2)Shipstations1) –twocharactersandtwoletters,or–twocharacters,twolettersandonedigit(otherthanthedigits 0or 1).Forinsta
7、nce:B7MCM/VYANGZIJIANG3EKA5M/VHERDAHForChineseshipstations,callsignsareBAAA―BZZZ.2021/9/216ProducedbyTangxuhong2)However,shipstationsemployingonlyradiotelephonymayalsouseacallsignconsistingof:–twocharacters(providedthatthesecondis
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