Humminbird VHF255SW - Manual (Page 80)

79
Channel
No.
Ship Transmit
MHz
Ship Receive
MHz
Use
U.S. Marine Channels
27 157.350 161.950 Public Correspondence (Marine Operator).
28 157.400 162.000 Public Correspondence (Marine Operator).
63A 156.175 156.175 Port Operations and Commercial, VTS.
Available Only in New Orleans / Lower
Mississippi area.
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.
70 156.525 156.525 Digital Selective Calling (Voice Communications
Not Allowed).
71 156.575 156.575 Non-Commercial.
72 156.625 156.625 Non-Commercial (Intership Only).
73 156.675 156.675 Port Operations.
74 156.725 156.725 Port Operations.
77 156.875 156.875 Port Operations (Intership Only).
78A 156.925 156.925 Non-Commercial.
79A 156.975 156.975 Commercial. Non-Commercial in Great Lakes Only.
80A 157.025 157.025 Commercial. Non-Commercial in Great Lakes Only.
81A 157.075 157.075 U.S. Government Only - Environmental Protection
Operations.
82A 157.125 157.125 U.S. Government Only.
83A 157.175 157.175 U.S. Coast Guard Only.
84 157.225 161.825 Public Correspondence (Marine Operator).
85 157.275 161.875 Public Correspondence (Marine Operator).
86 157.325 161.925 Public Correspondence (Marine Operator).
88A 157.425 157.425 Commercial, Intership Only.
* VTS stands for Vessel Traffic Service, and is a system that provides active monitoring and navigational
advice for vessels in particularly confined and busy waterways.