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US > Maritime

Maritime


Some major ports utilize Vessel Traffic Service (VTS); this is maritime traffic control similar to air traffic control around an airport. Frequencies used for this purpose in those areas are 01A, 05A, 11, 12, 14, 63A

Several channels are "duplex" and not repeated. Those channels are represented by a "TX" or "RX" after the channel number and both must be monitored to hear the entire conversation


Input Frequencies:
 
    
 Updated in the last 7 days
    
    
 Updated in the last 24 hrs


Maritime Operations
Marine VHF 1A-88A
Channels listed here are the US recognized 25kHz spaced channels from 1A to 88A, and are the most widely used. Some channels are not available in all areas or regions and are noted as such in the description field

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
156.05000    BM Marine 01A 01A - Port Operations and Commercial - New Orleans / Lower Mississippi  FM  Transportation 
156.25000    BM Marine 05A 05A - Port Operations - Houston / New Orleans / Seattle  FM  Transportation 
156.30000    BM Marine 06 06 - Intership Safety  FM  Transportation 
156.35000    BM Marine 07A 07A - Commercial  FM  Transportation 
156.40000    BM Marine 08 08 - Commercial Intership  FM  Transportation 
156.45000    BM Marine 09 09 - Boater Calling  FM  Transportation 
156.50000    BM Marine 10 11 - Commercial  FM  Transportation 
156.55000    BM Marine 11 11 - Commerical  FM  Transportation 
156.60000    BM Marine 12 12 - Port Operations  FM  Transportation 
156.65000    BM Marine 13 13 - Intership Navigation Safety (Bridges)  FM  Transportation 
156.70000    BM Marine 14 14 - Port Operations  FM  Transportation 
156.75000    M Marine 15 15 - Environmental / Class C EPIRB  FM  Transportation 
156.80000    BM Marine 16 16 - Hailing / Calling / Distress  FM  Transportation 
156.85000    BM Marine 17 17 - State/local government maritime  FM  Transportation 
156.90000    BM Marine 18A 18A - Commercial  FM  Transportation 
156.95000    BM Marine 19A 19A - Commercial  FM  Transportation 
157.00000    BM Marine 20A 20A - Port Operations  FM  Transportation 
157.00000    M Marine 20 TX 20TX - Port Operations  FM  Transportation 
161.60000    B Marine 20 RX 20RX - Port Operations  FM  Transportation 
157.05000    BM Marine 21A 21A - Coast Guard  FM  Transportation 
157.10000    BM Marine 22A 22A - Coast Guard Liaison/Maritime Safety Information Broadcasts  FM  Transportation 
157.15000    BM Marine 23A 23A - Coast Guard  FM  Transportation 
157.20000    M Marine 24 TX 24TX - Marine Operator  FM  Transportation 
161.80000    B Marine 24 RX 24RX - Marine Operator  FM  Transportation 
157.25000    M Marine 25 TX 25TX - Marine Operator  FM  Transportation 
161.85000    B Marine 25 RX 25RX - Marine Operator  FM  Transportation 
157.30000    M Marine 26 TX 26TX - Marine Operator  FM  Transportation 
161.90000    B Marine 26 RX 26RX - Marine Operator  FM  Transportation 
157.35000    M Marine 27 TX 27TX - Marine Operator  FM  Transportation 
161.95000    B Marine 27 RX 27RX - Marine Operator  FM  Transportation 
157.40000    M Marine 28 TX 28TX - Marine Operator  FM  Transportation 
162.00000    B Marine 28 RX 28RX - Marine Operator  FM  Transportation 
156.17500    BM Marine 63A 63A - Port Operations / Commercial - New Orleans / Lower Mississippi  FM  Transportation 
156.27500    BM Marine65APrt Ch. 65A Port Operations  FM  Other 
156.32500    BM Marine66APrt Ch. 66A Port Operations  FM  Other 
156.37500    M Marine67 B-B Ch. 67 Commercial intership (bridge-to-bridge)  FM  Other 
156.42500    BM Marine 68 Ch. 68 Non-Commercial  FM  Other 
156.47500    BM Marine 69 Ch. 69 Non-Commercial  FM  Other 
156.52500    BM Marine 70 Digital Selective Calling (no voice)  FM  Other 
156.57500    BM Marine 71 Ch. 71 Non-Commercial  FM  Other 
156.62500    M Marine 72 Ch. 72 Non-Commercial (Intership only)  FM  Other 
156.67500    BM Marine73Port Ch. 73 Port Operations  FM  Other 
156.72500    BM Marine74Port Ch. 74 Port Operations  FM  Other 
156.87500    M Marine77Port Ch. 77 Port Operations (Intership only)  FM  Other 
156.92500    BM Marine 78A Ch. 78A Non-Commercial  FM  Other 
156.97500    BM Marine 79A Ch. 79A Commercial (Non-Commercial in Great Lakes only)  FM  Other 
157.02500    BM Marine 80A Ch. 80A Commercial (Non-Commercial in Great Lakes only)  FM  Other 
157.07500    BM Marine 81A Ch. 81A U.S. Government environmental protection  FM  Federal 
157.12500    BM Marine 82A Ch. 82A U.S. Government only  FM  Federal 
157.17500    BM Marine83A CG Ch. 83A U.S. Coast Guard only  FM  Federal 
157.22500    M Marine84 Shp Ch. 84 Ship/shore (telephone) (Ship TX)  FM  Other 
161.82500    B Marine84 Shr Ch. 84 Ship/shore (telephone) (Shore TX)  FM  Other 
157.27500    M Marine85 Shp Ch. 85 Ship/shore (telephone) (Ship TX)  FM  Other 
161.87500    B Marine85 Shr Ch. 85 Ship/shore (telephone) (Shore TX)  FM  Other 
157.32500    M Marine86 Shp Ch. 86 Ship/shore (telephone) (Ship TX)  FM  Other 
161.92500    B Marine86 Shr Ch. 86 Ship/shore (telephone) (Shore TX)  FM  Other 
157.37500    BM Marine 87 Ch. 87 Ship/shore (telephone)  FM  Other 
157.42500    M Marine 88A Ch. 88A Commercial intership (bridge-to-bridge)  FM  Other 

Marine VHF 201-287
Channels 201-287 are 12.5kHz spaced channels that are interleaved between the 01A-88A plan and are limited in operation

Marine Data
AIS and other data technologies are listed here. AIS 1/2 are 25 wide and AIS 3/4 are 12.5 narrow

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
161.97500    M Marine-AIS 1 Automatic Identification System 1  Telm  Data 
162.02500    M Marine-AIS 2 Automatic Identification System 2  Telm  Data 
157.41250    M Marine-AIS 3 Automatic Identification System 3 - Ship  Telm  Data 
162.01250    B Marine-AIS 4 Automatic Identification System 4 - Shore  Telm  Data 


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