Ch
No.
USA INT CAN TX
RX
Channel Type/Name
13
x
x
x
156.650
156.650
Intership Navigation Safety (Bridge-
to-Bridge). Ships >20m length
maintain a listening watch on this
channel in US waters.
14
x
x
x
156.700
156.700 Port Operation, VTS in some areas
15
x
Inhibit
156.750 Environmental (Receive Only)
15
x
x
156.750
156.750
Inter-ship, Port Operations,
Commercial, Non-Commercial, Ship
Movement (1 Watt Only)
16
x
x
x
156.800
156.800 Distress, Safety, Calling
17
x
x
x
156.850
156.850 State and Local Govt Maritime
Control (1 Watt Only)
18
x
156.900
161.500 Port Operations, Ship Movement
18A
x
x
156.900
156.900 Commercial
Canada: Towing West Coast
19
x
156.950
161.550 Commercial
19A
x
x
156.950
156.950 Commercial
20
x
x
x
157.000
161.600 Port Operations
Canada: 1 Watt Only
20A
x
157.000
157.000 Port Operation
21
x
157.050
161.650 Port Operations
21A
x
x
157.050
157.050 Coast Guard Only
21B
x
INHIBIT
161.650 Canadian CG Continuous Marine
Broadcast (CMB) Service
22
x
157.100
161.700 Port Operations, Ship Movement
22A
x
x
157.100
157.100
US and Canadian Coast Guard
Liaison and Airtime Safety
Information Broadcasts Announced
on Channel 16
23
x
x
157.150
161.750 Public Correspondence (Marine
Operator)
23A
x
157.150
157.150 US Coast Guard Only
23B
x
INHIBIT
161.750 Canadian CG Continuous Marine
Broadcast (CMB Service
24
x
x
x
157.200
161.800 Public Correspondence (Marine
Operator)
25
x
x
x
157.250
161.850 Public Correspondence (Marine
Operator)
25B
x
INHIBIT
161.850 Canadian CG Continuous Marine
Broadcast (CMB) Service
38