Humminbird VHF255SW - Manual (Page 79)

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Channel
No.
Ship Transmit
MHz
Ship Receive
MHz
Use
U.S. Marine Channels
01A 156.050 156.050 Port Operations and Commercial, VTS*.
Available Only in New Orleans / Lower
Mississippi area.
05A 156.250 156.250 Port Operations or VTS in the Houston, New
Orleans and Seattle areas.
06 156.300 156.300 Intership Safety.
07A 156.350 156.350 Commercial.
08 156.400 156.400 Commercial (Intership Only).
09 156.450 156.450 Boater Calling. Commercial and Non-Commercial.
10 156.500 156.500 Commercial.
11 156.550 156.550 Commercial. VTS in Selected Areas.
12 156.600 156.600 Port Operations. VTS in Selected Areas.
13 156.650 156.650 Intership Navigation Safety (Bridge to Bridge).
Ships >20 m in Length Maintain a Listening
Watch on this Channel in U.S. Waters.
14 156.700 156.700 Port Operations. VTS in Selected Areas.
15 -- 156.750 Environmental (Receive Only).
Used by Class C EPIRBs.
16 156.800 156.800 International Distress, Safety and Calling. Ships
Required to Carry Radio, USCG, and Most Coast
Stations Maintain a Listening Watch on this Channel.
17 156.850 156.850 State Control.
18A 156.900 156.900 Commercial.
19A 156.950 156.950 Commercial.
20 157.000 161.600 Port Operations (duplex).
20A 157.000 157.000 Port Operations.
21A 157.050 157.050 U.S. Coast Guard only.
22A 157.100 157.100 Coast Guard Liaison and Maritime Safety
Information Broadcasts. Broadcasts
Announced on Channel 16.
23A 157.150 157.150 U.S. Coast Guard Only.
24 157.200 161.800 Public Correspondence (Marine Operator).
25 157.250 161.850 Public Correspondence (Marine Operator).
26 157.300 161.900 Public Correspondence (Marine Operator).