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Appendix
ChannelChannel
ChannelChannel
Channel
FF
FF
F
requency (MHz)requency (MHz)
requency (MHz)requency (MHz)
requency (MHz)
NumberNumber
NumberNumber
Number
TXTX
TXTX
TX
RXRX
RXRX
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
70
4 4
4 4
4
— — DSC Communications Only —
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
TT
TT
T
ype of ype of
ype of ype of
ype of
TT
TT
T
rafficraffic
rafficraffic
raffic
TXTX
TXTX
TX
PowerPower
PowerPower
Power
Notes:
1. For channels 13 and 67, output power is fixed at 1 watt (low power) by regulation.
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 25 watts while both keys are pressed. After MON/1/25 is released,
power returns to 1 watt.
2. Channel 15 is receive only. Transmission is not permitted.
3. For channels 17 and 77, output power is fixed at 1 watt only. Transmission at
high power is not permitted.
4. Channel 70 is used for Digital Selective Calling (DSC) only and is not available
for voice transmissions. Channel 70 does not appear on the display.
Important Notice
Channels 3A, 21A, 23A, 61A, 64A, 81A, 82A, and 83A (shaded) are not for use by the
general public in U.S. waters. These frequencies may be used only under authorization
by the U.S. Coast Guard or under private land mobile license.