VHF Marine Radio Protocols
VHF Marine
Channel Assignments
Channel Use
18Port Operations, Ship Movement
18A Commercial
19Port Operations, Ship Movement
19A Commercial
20Canada (Coastguard Only); International (Port Operations, Ship Movement)
20A Port Operations
21Port Operations, Ship Movement
21A U.S. (Government Only); Canada (Coastguard Only)
22 Port Operations, Ship Movement
22A U.S. and Canadian coastguard 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 (Coastguard Only);
West Coast (Coastguard Only); East Coast (Commercial Fishing)
62 Public Correspondence (Marine Operator), Port Operations, Ship Movement
62A West Coast (Coastguard Only); East Coast (Commercial Fishing)
Nothing Comes Close to a Cobra® 19
