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Appendix B: Channel List 87
• Boaters should normally use channels listed as Non-Commercial.
• Channel 70 is used exclusively for Digital Selective Calling (DSC) and is not avail-
able for regular voice communications.
• Channels 75 and 76 are reserved as guard bands for Channel 16 and are not available
for regular voice communications.
Notes:
1. The letter “A” following a channel number indicates simplex use of the ship station
transmit side of an international duplex channel. Operations are different from that
of international operations on that channel.
2. Channel 13 should be used to contact a ship when there is danger of collision. All
ships of length 20 meters or greater are required to guard VHF channel 13, in addi-
tion to VHF channel 16, when operating within U.S. territorial waters.
3. Channel 16 is used to hail other stations or for distress alerting.
82A 157.125 157.125 x U.S. Government only
83A 157.175 157.175 x U.S. 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 x Commercial, Intership only
CH.
No
XMIT
Freq
RCV
Freq
Single
Freq Use