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38 VHF 300 Series Owner’s Manual
Appendix
Channel
Number
Transmission
MHz
Receiving
MHz
User
70 156.525 156.525 Digital Selective Calling
(voice communications not allowed)
71 156.575 156.575 Non-Commercial
72 156.625 156.625 Non-Commercial (Intership only)
73 156.675 156.675 Port Operations
74 156.725 156.725 Port Operations
77 156.875 156.875 Port Operations (Intership only)
78A 156.925 156.925 Non-Commercial
79A 156.975 156.975 Commercial. Non-Commercial in the Great Lakes only.
80A 157.025 157.025 Commercial. Non-Commercial in the Great Lakes only.
81A 157.075 157.075 USA Government only. Environmental protection
operations.
82A 157.125 157.125 USA Government only
83A 157.175 157.175 USA Coast Guard only
84 157.225 161.825 Public Correspondence (Marine Operator)
85 157.275 161.875 Public Correspondence (Marine Operator)
86 157.325 161.925 Public Correspondence (Marine Operator)
87 157.375 161.975 Public Correspondence (Marine Operator)
88 157.425 162.025 Public Correspondence only near Canadian border.
88A 157.425 157.425 Commercial, Intership only
The letter “A” indicates simplex use of the ship station transmit side of an international
duplex channel, and that operations are different than international operations on that
channel. “A” channels are generally only used in the USA, and use is normally not
recognized or allowed outside the USA.
The letter “B” indicates simplex use of the coast station transmit side of an international
duplex channel. The USA does not currently use “B” channels for simplex communications
in this band.
WX (Weather) Channels
Channel Frequency (MHz)
WX1 162.55
WX2 162.4
WX3 162.475
WX4 162.425