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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" (Ship Transmit/Shore Receive) or "RX" (Ship Receive/Shore Transmit) 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.

As of September 2018, channels with the A suffix now have newly designated 10xx channel numbers; Channel 01A is now Channel 1001, Channel 05A is now Channel 1005 and so on.

https://www.navcen.uscg.gov/?pageName=mtvhf

 

Frequency  License  Type  Tone  Alpha Tag  Description  Mode  Tag 
156.05000    BM Marine 01A/1001 01A - Port Operations and Commercial - New Orleans / Lower Mississippi  FM  Transportation 
156.25000    BM Marine 05A/1005 05A - Port Operations - Houston / New Orleans / Seattle  FM  Transportation 
156.30000    BM Marine 06 06 - Intership Safety  FM  Transportation 
156.35000    BM Marine 07A/1007 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/1018 18A - Commercial  FM  Transportation 
156.95000    BM Marine 19A/1019 19A - Commercial  FM  Transportation 
157.00000    BM Marine 20A/1020 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/1021 21A - Coast Guard  FM  Transportation 
157.10000    BM Marine 22A/1022 22A - Coast Guard Liaison/Maritime Safety Information Broadcasts  FM  Transportation 
157.15000    BM Marine 23A/1023 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/1063 63A - Port Operations / Commercial - New Orleans / Lower Mississippi  FM  Transportation 
156.27500    BM Marine 65A/1065 65A - Port Operations  FM  Transportation 
156.32500    BM Marine 66A/1066 66A - Port Operations  FM  Transportation 
156.37500    M Marine 67 67 - Commercial intership (bridge-to-bridge)  FM  Transportation 
156.42500    BM Marine 68 68 - Non-Commercial  FM  Transportation 
156.47500    BM Marine 69 69 - Non-Commercial  FM  Transportation 
156.52500    BM Marine 70 70 - Digital Selective Calling (no voice)  FM  Data 
156.57500    BM Marine 71 71 - Non-Commercial  FM  Transportation 
156.62500    M Marine 72 72 - Non-Commercial (Intership only)  FM  Transportation 
156.67500    BM Marine 73 73 - Port Operations  FM  Transportation 
156.72500    BM Marine 74 74 - Port Operations  FM  Transportation 
156.87500    M Marine 77 77 - Port Operations (Intership only)  FM  Transportation 
156.92500    BM Marine 78A/1078 78A - Non-Commercial  FM  Transportation 
156.97500    BM Marine 79A/1079 79A - Commercial (Non-Commercial in Great Lakes only)  FM  Transportation 
157.02500    BM Marine 80A/1080 80A - Commercial (Non-Commercial in Great Lakes only)  FM  Transportation 
157.07500    BM Marine 81A/1081 81A - U.S. Government environmental protection  FM  Federal 
157.12500    BM Marine 82A/1082 82A - U.S. Government only  FM  Federal 
157.17500    BM Marine 83A/1083 83A - U.S. Coast Guard only  FM  Federal 
157.22500    M Marine 84 TX 84TX - Ship/shore (telephone)  FM  Other 
161.82500    B Marine 84 RX 84RX - Ship/shore (telephone)  FM  Other 
157.27500    M Marine 85 TX 85TX - Ship/shore (telephone)  FM  Other 
161.87500    B Marine 85 RX 85RX - Ship/shore (telephone)  FM  Other 
157.32500    M Marine 86 TX 86TX - Ship/shore (telephone)  FM  Other 
161.92500    B Marine 86 RX 86RX - Ship/shore (telephone)  FM  Other 
157.37500    BM Marine 87 87 - Ship/shore (telephone)  FM  Other 
157.42500    M Marine 88 88 - 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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