ChannelNumberShipTransmitMHzShipReceiveMHzUse01A156
050156
050PortOperationsandCommercial,VTS
AvailableonlyinNewOrleans/LowerMississippiarea
05A156
250156
250PortOperationsorVTSintheHouston,NewOrleansandSeattleareas
300156
300IntershipSafety07A156
350156
350Commercial08156
400156
400Commercial(Intershiponly)09156
450156
450BoaterCalling
CommercialandNon-Commercial
500156
500Commercial11156
550156
550Commercial
VTSinselectedareas
600156
600PortOperations
VTSinselectedareas
IntershipNavigationSafety(Bridge-to-bridge)
Ships>20m13156
650156
650lengthmaintainalisteningwatchonthischannelinUSwaters
700156
700PortOperations
VTSinselectedareas
15一一156
750Environmental(Receiveonly)
UsedbyClassCEPIRBs
InternationalDistress,SafetyandCalling
Shipsrequiredto16156
800156
800carryr