Channel Transmit/Recieve Frequency-Description
01 T/R 156.050-Port Operations and Vessel Traffic Safety New Orleans Area.
05 T/R 156.250-Port Operations and Vessel Traffic Safety New Orleans/Houston Area.
06 T/R 156.300-Intership Safety.
07 T/R 156.350-Commercial.
08 T/R 156.400-Commercial; Intership Only.
09 T/R156.450-Boater Calling; Commerical and Non Commercial.
10 T/R 156.500-Commercial.
11 T/R 156.550-Commercial and Vessel Traffic Safety in selected areas.
12 T/R 156.600-Port Operations and Vessel Traffic Safety in selected areas.
13 T/R 156.650-Inland Intership Navigation Safety. Bridge to Bridge; Ships >20 Meters must monitor this channel in U.S. Waters.
14 T/R 156.700-Port Operations and Vessel Traffic Safety in selected areas.
15 R 156.750-Environmental; Used by Class C EPIRBS.
16 T/R 156.800-International Distress; Coast Guard continuously monitors and any ship required to use a radio must also monitor.
17 T/R 156.850-State and Local Government Maritime Control.
18 T/R 156.900-Commercial.
19 T/R 156.950-Commercial.
20 T 157.000-R161.600-Port Operations. (Duplex)
20A T/R 157.000-Port Operations.
21A T/R 157.050-U.S. Coast Guard only.
22A T/R 157.100- U.S. Coast Guard Liaison and Maritime Safety Information Broadcast.
23A T/R 157.150 -U.S. Coast Guard only.
24 T 157.200-R 161.800-Public Correspondence/Marine Operator. (Duplex)
25 T 157.250-R 161.850-Public Correspondence/Marine Operator. (Duplex)
26 T 157.300-R 161.900-Public Correspondence/Marine Operator. (Duplex)
27 T 157.350-R 161.950-Public Correspondence/Marine Operator. (Duplex)
28 T 157.400-R 162.000-Public Correspondence/Marine Operator. (Duplex)
63A T/R 156.175-Port Operations, Commercial and Vessel Traffic Safety in New Orleans Area.
65A T/R 156.275-Port Operations.
66A T/R 156.325-Port Operations.
67 T/R 156.375-Commercial, Intership only; used in Lower Mississippi River for Bridge to Bridge Communications.
68 T/R 156.425-Non-Commercial.
69 T/R 156.475-Non-Commercial.
70 T/R 156.525 -Digital Selective Calling only. Voice communications not allowed.
71 T/R 156.575-Non-Commercial.
72 T/R 156.625-Non-Commercial . Intership only.
73 T/R 156.675-Port Operations.
74 T/R 156.725-Port Operations.
77 T/R 156.875-Port Operations. Intership only.
78A T/R 156.925-Non-Commercial.
79A T/R 156.975-Commercial. Non Commercial in Great Lakes Area only.
80A T/R 157.025-Commercial. Non Commercial in Great Lakes Area only.
81A T/R 157.075-U.S. Government only.
82A T/R 157.125-U.S. Government only.
83A T/R 157.175-U.S. Coast Guard only.
84 T 157.225-R 161.825-Public Correspondence/Marine Operator. (Duplex)
85 T 157.275-R 161.875-Public Correspondence/Marine Operator. (Duplex)
86 T 157.325-R 161.925-Public Correspondence/Marine Operator. (Duplex)
87 T/R 157.375-Public Correspondence/Marine Operator.
88 T/R 157.425-Commercial. Intership only.
Good frequencies on VHF Marine to program in your scanner are:
If you live on [navigable] waterfront property these will almost always be active. Other places where you will hear traffic on these frequencies are shipyards, ports, draw bridges, bayous, canals and, rivers.