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Channel | Frequency (MHz) | Type of Traffic | TX | ||
Number | TX | RX | Power | ||
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66A | 156.325 | 156.325 | Port Operations | Hi, Lo | |
67 1 | 156.375 | 156.375 | Commercial, | Lo only | |
68 | 156.425 | 156.425 |
| Hi, Lo | |
69 | 156.475 | 156.475 | Hi, Lo | ||
71 | 156.575 | 156.575 | Hi, Lo | ||
72 | 156.625 | 156.625 | Hi, Lo | ||
73 | 156.675 | 156.675 | Port Operations | Hi, Lo | |
74 | 156.725 | 156.725 | Port Operations | Hi, Lo | |
77 3 | 156.875 | 156.875 | Port Operations (Intership Only) | Lo only | |
78A | 156.925 | 156.925 | 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 | |
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| Protection Operations |
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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 |
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.