Raymarine RAY91 - Page 179

(New)
CHNo.
(Old)
CHNo.
TXFreq
(MHz)
RX
Freq
(MHz)
Single
FreqUse
7373156.675156.675
x
Portoperations.
7474
156.725156.725
x
Portoperations.
7777
156.875156.875
x
Portoperations(Intershiponly).
107878A156.925156.92
5
x
Non-commercial.
VDSMS.
107979A156.975156.975
x
Commercial.
Non-commercialinGreatLakesonly).
VDSMS.
108080A157.025157.025
x
Commercial.
Non-commercialinGreatLakesonly).
VDSMS.
108181A157.075157.075
x
USGovernmentonly—Environmentalprotection
operations.
108282A157.125157.125
x
USGovernmentonly.
108383A
157.175157.175
x
USCoastGuardonly.
8484157.225161.825
Publiccorrespondence(Marineoperator).
VDSMS.
8585157.275161.875
Publiccorrespondence(Marineoperator).
VDSMS.
8686157.325161.925
Publiccorrespondence(Marineoperator).
VDSMS.
8787157.375161.975
Publiccorrespondence(Marineoperator).
VDSMS.
8888157.425157.425Commercial,Intershiponly.
VDSMS.
Pleasebeawarethat:
•RecreationalboatersnormallyusechannelslistedasNon-commercial:68,69,71,721078.
•Channel70isusedexclusivelyforDSCandisnotavailableforregularvoicecommunications.
•Channels75and76arereservedasguardsbandsforchannel16andarenotavailableforregularvoice
communications.
Note:
1.Fourdigitchannelsindicatesimplexuseoftheshipstationtransmitsideofaninternationalsemi-duplex
channel.Operationsaredifferentfromthatofinternationaloperationsonthatchannel.
2.Channel13shouldbeusedtocontactashipwhenthereisdangerofcollision.Allshipsoflength20
metresorgreaterarerequiredtoguardVHFchannel13,inadditiontoVHFchannel16,whenoperating
withinUSterritorialwaters.
3.Channel15isreceiveonly.
4.Channel16isusedforcallingotherstationsorfordistresscalls.
5.Channel17andchannel77haveafixedpoweroutputof1watt.
6.Channel13andchannel67haveaninitialpoweroutputof1watt.Usercantemporarilyoverridethis
restrictionstotransmitathighpower.
7.VDSMS(VHFDigitalSmallMessageServices).Transmissionsofshortdigitalmessagesinaccordance
withRTCMStandard12301.1isallowed.
WXChannels(NorthAmericaonly)
WeatherChannelFrequencyinMHz
WX1
162.550
WX2162.400
VHFChannels179