TM 55-1930-209-14&P-1 Table 5-2.  Frequency/Channel Chart for Commercial Marine Radios in USA Channel TX frequency Rx frequency Channel assignment 01 -- -- -- 162.550 Weather 02 -- -- -- 162.400 Weather 03 -- -- -- 162.475 Weather 05 156.250 156.250 Port operations-intership-ship/coast 06 156.300 156.300 Intership safety 07 156.350 156.350 Commercial intership-ship/coast 08 156.400 156.400 Commercial intership 09 156.450 156.450 Noncommercial intership-ship/coast 10 156.500 156.500 Commercial Intership-ship/coast 11 156.550 156.550 Commercial intership-ship/coast 12 156.600 156.600 Port operations-intership-ship/coast 13 156.650 156.650 Navigational intership-ship/coast 14 156.700 156.700 Port operations-intership-ship/coast 15 -- -- -- 156.750 Environmental-ship/coast 16 156.800 156.800 DISTRESS, SAFETY, and calling 17 156.850 156.850 State control-ship/coast 18 156.900 156.900 Commercial intership, ship/coast 19 156.950 156.950 Commercial intership, ship/coast 20 157.000 161.600 Port operations-intership-ship/coast 21 157.050 161.650 Port operations 22 157.100 157.100 USCG liaison-EMERGENCY 23 157.150 157.150 US government 24 157.200 161.800 Public - ship/coast 25 157.250 161.850 Public - ship/coast 26 157.300 161.900 Public - ship/coast 27 157.350 161.950 Public - ship/coast 28 157.400 162.000 Public - ship/coast 5-18