West Marine VHF580 사용자 설명서

42

Channel name/description Used for:
PORT OPERATIONS/VTS 

(vessel traffic system)

messages about the movement and safety of ships in or 

near ports, locks or waterways. In certain major ports, 

some channels may be restricted to specific types of 

port operations messages. 

NAVIGATIONAL/BRIDGE 

TO BRIDGE

messages about ship navigation, for example, passing 

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 

CALLING

DSC signals only (no voice communications allowed at 

any time)

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