US Marine Channels and Frequencies
Ch No.
RX Freq
TX Freq
Status
Name on display
1A*
156.0500
156.0500
Simplex
Vessel traffic system/Commercial
5A
156.2500
156.2500
Simplex
Vessel traffic system/Commercial
6
156.3000
156.3000
Simplex
Inter-ship safety
7A
156.3500
156.3500
Simplex
Commercial
8
156.4000
156.4000
Simplex
Commercial
9
156.4500
156.4500
Simplex
Non commercial
10
156.5000
156.5000
Simplex
Commercial
11
156.5500
156.5500
Simplex
Vessel traffic system
12
156.6000
156.6000
Simplex
Vessel traffic system
13
156.6500
156.6500
Simplex, 1W
Bridge to bridge
14
156.7000
156.7000
Simplex
Vessel traffic system
15
156.7500
Inhibit
Receive Only
Environmental
16
156.8000
156.8000
Simplex
Distress, Safety, Calling
17
156.8500
156.8500
Simplex, 1W
Govt maritime control
18A
156.9000
156.9000
Simplex
Commercial
19A
156.9500
156.9500
Simplex
Commercial
20
161.6000
157.0000
Duplex
Port operation
20A
157.0000
157.0000
Simplex
Port operation
21A
157.0500
157.0500
Simplex
Coast guard only
22A
157.1000
157.1000
Simplex
Coast guard
23A
157.1500
157.1500
Simplex
Coast guard only
24
161.8000
157.2000
Duplex
Marine operator
25
161.8500
157.2500
Duplex
Marine operator
26
161.9000
157.3000
Duplex
Marine operator
27
161.9500
157.3500
Duplex
Marine operator
28
162.0000
157.4000
Duplex
Marine operator
63A
156.1750
156.1750
Simplex
Vessel traffic system
65A
156.2750
156.2750
Simplex
Port operation
66A
156.3250
156.3250
Simplex
Port operation
VHF585 RADIO
1-800-BOATING
50