VHF Marine Radio Protocols
VHF Marine
Channel Assignments
VHF Marine Channel Assignments
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Three (3) sets of VHF Channel Maps have been established for marine use internationally, in Canada and in the U.S.A. Most of the channels are the same for all three (3) maps, but there are definite differences (see table on the following pages). Your radio has all three (3) maps built into it and will operate correctly in whichever area you choose. When shipped from
the factory, your radio will be set to the International Channel Map. (See page 36 for instructions on how to change the Channel Map.)
The following is a brief outline of the channel assignments in the International Channel Map.
Distress, Safety and Calling
Channel 16
Getting the attention of another station (calling) or in emergencies (distress and safety).
Intership Safety
Channel 6
Channel 15
Used for communication between parts of large ships.
Non-Commercial
Channels 68, 72
Working channels for small vessels. Messages must be about needs of the vessel, such as fishing reports, berthing and rendezvous. Use Channel 72 only for
Commercial
Channels 8, 9, 10, 11, 17, 67, 88, 88A
Working channels for working ships only. Messages must be about business or needs of the ship. Use Channels 8, 67, 88 and 88A only for
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