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VHF 300 Series Owner’s Manual 37
Appendix
Channel
Number
Transmission
MHz
Receiving
MHz
User
11 156.550 156.550 Commercial. VTS in selected areas.
12 156.600 156.600 Port operations. VTS in selected areas.
13 156.650 156.650 Intership navigation safety (bridge-to-bridge).
Ships greater than 20 meters in length maintain a
listening watch on this channel in US waters.
14 156.700 156.700 Port operations. VTS in selected areas.
15 -- 156.750 Environmental (receive only). Used by Class C
Emergency Position Indicating Radio Beacons
(EPIRBs).
16 156.800 156.800 International distress, safety, and calling. Ships required
to carry radio, USCG, and most coast stations maintain
a listening watch on this channel.
17 156.850 156.850 State control
18A 156.900 156.900 Commercial
19A 156.950 156.950 Commercial
20 157.000 161.600 Port operations (duplex)
20A 157.000 157.000 Port operations
21A 157.050 157.050 USA Coast Guard only
22A 157.100 157.100 Coast Guard Liaison and Maritime Safety Information
Broadcasts. Broadcasts are announced on Channel 16.
23A 157.150 157.150 USA Coast Guard only
24 157.200 161.800 Public correspondence (Marine Operator)
25 157.250 161.850 Public correspondence (Marine Operator)
26 157.300 161.900 Public correspondence (Marine Operator)
27 157.350 161.950 Public correspondence (Marine Operator)
28 157.400 162.000 Public correspondence (Marine Operator)
61A 156.075 156.075 Government only
63A 156.175 156.175 Port operations and commercial, VTS. Available only in
the New Orleans and lower Mississippi areas.
64A 156.225 156.225 Coast Guard only
65A 156.275 156.275 Port operations
66A 156.325 156.325 Port operations
67 156.375 156.375 Commercial. Used for Bridge-to-bridge communications
in lower Mississippi River. Intership only.
68 156.425 156.425 Non-Commercial
69 156.475 156.475 Non-Commercial