Cobra Electronics MRF45 20A Port Operations Port Operations, Ship Movement, 23A Government Only

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			VHF Marine
			Channel Assignments
	VHF Marine Radio Protocols

	Channel	Channel Map		Frequency	Power
	Number	USA Int’l Canada Transmit Receive			Limits

VHF Marine Radio Protocols

Channel Use

VHF Marine

Channel Assignments

18		•		156.900	161.500
18A	•		•	156.900	156.900
19		•		156.950	161.550
19A	•		•	156.950	156.950
20	•	•	•	157.000	161.600	1 Watt CAN
20A	•			157.000	157.000
21		•	•	157.050	161.650
21A	•		•	157.050	157.050
22		•		157.100	161.700
22A	•		•	157.100	157.100

23		•	•	157.150	161.750
23A	•			157.150	157.150
24	•	•	•	157.200	161.800
25	•	•	•	157.250	161.850
26	•	•	•	157.300	161.900
27	•	•	•	157.350	161.950
28	•	•	•	157.400	162.000
60		•	•	156.025	160.625
61		•		156.075	160.675
61A	•		•	156.075	156.075

62		•		156.125	160.725
62A			•	156.125	156.125

18Port Operations, Ship Movement

18A Commercial

19Port Operations, Ship Movement

19A Commercial

20Canada (Coast Guard Only); International (Port Operations, Ship Movement)

20A Port Operations

21Port Operations, Ship Movement

21A U.S. (Government Only); Canada (Coast Guard Only)

22 Port Operations, Ship Movement

22A U.S. and Canadian Coast Guard Liaison and Maritime Safety Information Broadcasts that are announced on Channel 16

23 Public Correspondence (Marine Operator)

23A Government Only

24Public Correspondence (Marine Operator)

25Public Correspondence (Marine Operator)

26Public Correspondence (Marine Operator)

27Public Correspondence (Marine Operator)

28Public Correspondence (Marine Operator)

60Public Correspondence (Marine Operator)

61Public Correspondence (Marine Operator), Port Operation, Ship Movement

61A U.S. (Government Only); Canada (Coast Guard Only);

West Coast (Coast Guard Only); East Coast (Commercial Fishing)

62 Public Correspondence (Marine Operator), Port Operations, Ship Movement

62A West Coast (Coast Guard Only); East Coast (Commercial Fishing)


18 English		Nothing Comes Close to a Cobra® 19

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Contents Our Thanks ToYou Customer Assistance For Assistance In The U.S.AFor Assistance Outside The U.S.A Microphone Product Features Product FeaturesMicrophone With Auxiliary Controls Table Of Contents Important Safety Information Important Safety InformationSafety Training Information Always use only Cobra authorized accessoriesFCC Licensing Information Recommendations For Marine CommunicationVHF Marine Radio Procedures VHF Marine Radio Procedures Maintain Your WatchVoice Calling Voice CallingMaritime Mobile Service Identity Mmsi Maritime Mobile Service Identity MmsiDigital Selective Calling DSC Digital Selective Calling DSCEmergency Messages Distress Procedure Emergency Messages And Distress ProcedureRadiotelephone Calls Radiotelephone CallsMarine Distress Procedure Marine Distress Procedure DSCTell where you are SayVHF Marine Channel Assignments VHF Marine Channel AssignmentsInternational Distress, Safety and Calling 156.700 Rx Only 156.750156.800 156.850 03A Government Only20A Port Operations Port Operations, Ship Movement 21A U.S. Government Only Canada Coast Guard Only23A Government Only 64A U.S. Government Only Canada Commercial Fishing Digital Selective Calling Voice communications not allowed81A U.S. Government Only Environmental Protection Operations World City Time Zones Noaa Weather Channels AlertWorld City Time Zones Noaa Weather Channels And AlertMounting Powering The Radio Mounting And Powering The RadioIncluded In This Package Included In This PackageElectrical Power Connection Microphone BracketFlush Mount Kit Not Included Installation Requirements Antenna Requirements And AttachmentRadio Operator Requirements Safe Maximum Permissible Exposure MPE RadiusExternal Devices Connections External Devices And ConnectionsGlobal Positioning System GPS Device Not Included Microphone AttachmentTones And Alarms Power On-OffGetting Started Getting StartedVolume Standby And ReceiveSquelch Set-Up Routines Settings Menu Set-Up RoutinesLCD Backlight LCD ContrastTo Set Your Radio For The Area In Which You Will Be Using It A./International/Canada Channel MapsTransmit Power Output Voice TransmissionVoice Transmission ChannelsWeather Radio And Alert Advanced OperationNoaa All Hazards/Weather Radio And Alert Advanced OperationDual-Watch ScanDSC Set-Up DSC Set-UpUser Mmsi Number If You Incorrectly Enter Your Mmsi NumberIfYou TransferYourRadioTo a DifferentVessel Group Mmsi NumberDSC Scanning Position Request Reply Type Individual DirectoryTo Set The Position Request Reply Type To Enter Or Edit Names And Mmsi Numbers In The DirectoryDSC Operation DSC OperationSending Distress Calls Receiving Distress Calls Sending An All Ships CallsRegarding Distress Relay Calls Receiving Distress Relay CallsReceiving An All Ships Call Sending An Individual CallSending a Geographical Call Receiving a Geographical CallReceiving An Individual Call Receiving a Group CallSending a Group Call Sending a Position RequestTo Exit The Position Request Mode If You Receive a PositionIf The Station You Called Cannot Send Its Position If The Station You Called Chose Not To ReplyReceiving a Position Request Sending a Position SendReceiving a Position Send Maintenance Troubleshooting SpecificationsMaintenance TroubleshootingProduct Service Accessories Order Info Optional Accessories