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6-5
Appendix
Notes:
1. For channels 13 and 67, output power is fixed at 1W (low power). In an emergency,
you can override to high power by pressing and holding PTT and then pressing
the MON/1/25 key on the base station. Output power is increased to 25W while
both keys are pressed. After MON/1/25 is released, power returns to 1W.
2. Channel 15 is receive only. Transmission is not permitted.
3. For channels 17 and 77, output power is fixed at 1W (low power) only.
Transmission at high power is not permitted.
Important Notice
Access to the US frequencies requires a software upgrade. Some countries also require
special licensing to activate the US channel set.
Channels 3A, 21A, 23A, 61A, 64A, 81A, 82A, and 83A (shaded) are not for use by
the general public in US waters. These frequencies may be used only under
authorization by the US Coast Guard or under private land mobile license.
Type of Traffic
TX
Power
Channel Frequency (MHz)
Number TX RX
66A 156.325 156.325 Port Operations Hi, Lo
67
1 1
1 1
1
156.375 156.375 Commercial, Bridge-to-Bridge (Intership) Lo only
68 156.425 156.425 Non-Commercial Hi, Lo
69 156.475 156.475 Non-Commercial Hi, Lo
71 156.575 156.575 Non-Commercial Hi, Lo
72 156.625 156.625 Non-Commercial (Intership Only) Hi, Lo
73 156.675 156.675 Port Operations Hi, Lo
74 156.725 156.725 Port Operations Hi, Lo
77
3 3
3 3
3
156.875 156.875 Port Operations (Intership Only) Lo only
78A 156.925 156.925 Non-Commercial Hi, Lo
79A 156.975 156.975 Commercial Hi, Lo
80A 157.025 157.025 Commercial Hi, Lo
81A 157.075 157.075 US Government Only: Environmental Hi, Lo
Protection Operations
82A 157.125 157.125 US Government Only Hi, Lo
83A 157.175 157.175 US Coast Guard Only Hi, Lo
84 157.225 161.825 Public Correspondence (Marine Operator) Hi, Lo
85 157.275 161.875 Public Correspondence (Marine Operator) Hi, Lo
86 157.325 161.925 Public Correspondence (Marine Operator) Hi, Lo
87 157.375 161.975 Public Correspondence (Marine Operator) Hi, Lo
88A 157.425 157.425 Commercial (Intership Only) Hi, Lo