Channel name/description | Used for: |
PORT OPERATIONS/VTS | messages about the movement and safety of ships in or |
(vessel traffic system) | near ports, locks or waterways. In certain major ports, |
| some channels may be restricted to specific types of |
| port operations messages. |
NAVIGATIONAL/BRIDGE | messages about ship navigation, for example, passing |
TO BRIDGE | or meeting other ships, maneuvering through locks, |
| or navigating around drawbridges. Messages must be |
| short! |
STATE CONTROL | messages about government regulation and control, |
| boating activities, or assistance to ships; also used to |
| talk to ships and coast stations operated by state or local |
| governments |
DIGITAL SELECTIVE | DSC signals only (no voice communications allowed at |
CALLING | any time) |
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 | |
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 |
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