MARINE FREQUENCIES CHANNEL FREQUENCY IF ANY TYPE OF TRAFFIC SHIP (tx) COAST (rx) 1 2 3 4 5 6 156.300 intership safety 7 156.350 commercial 8 156.400 commercial 9 156.450 commercial 10 156.500 commercial 11 156.550 commercial 12 156.600 port operations/uscg 13 156.650 navigational 14 156.700 port operations/uscg 15 156.750 environ/hydrographic (ship receive) 16 156.800 DISTRESS/CALLING 17 156.850 state control 18 156.900 commercial 19 156.950 commercial 20 157.000 161.600 port operations 21 157.050 USCG Woods Hole, P. Town, Castle Hill, Cape Canal 22 157.100 USCG Notice to Mariners 23 157.150 USCG Portland Boothbay ME. 24 157.200 161.800 marine telephone NewBedford 25 157.250 161.850 marine telephone Gloucester 26 157.300 161.900 marine telephone Boston 27 157.350 161.950 marine telephone Boston 28 157.400 162.000 marine telephone Hyannis 65 156.275 port operations 66 156.325 port operations 67 156.375 commercial 68 156.425 non-commercial 69 156.475 non-commercial 70 156.525 non-commercial 71 156.575 non-commercial 72 156.625 non-commercial 73 156.675 port operations 74 156.725 port operations 75 76 77 156.875 commercial 78 156.925 non-commercial 79 156.975 commercial 80 157.025 commercial 81 157.075 Boston, Gloucester, Merrimack River,Pt Allerton 82 83 157.175 USCG Auxillary, Long Island Sound 84 161.825 161.825 marine telephone Hyannis 85 157.275 161.875 marine telephone Nantucket 86 157.325 161.925 marine telephone Nantucket 87 157.375 161.975 marine telephone NewBedford 88 157.425 commercial