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post #1 of Old 09-30-1999 Thread Starter
Jim Sexton
 
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Marine Radios Overview - Side Bar

U.S. VHF and SSB Channels
Channel Transmit Receive Intended use

1A
5A
6
7A
8
9
10
11
12
13
14
15
16
17
18A
19A
20
20A
21A
22A
23A
24
25
26
27
28
63A
65A
66A
67
68
69
70
71
72
73
74
77
78A
79A
80A
81A
82A
83A
84
85
86
87
88
88A
156.05
156.25
156.3
156.35
156.4
156.45
156.5
156.55
156.6
156.65
156.7

156.8
156.85
156.9
156.95
157
157
157.05
157.1
157.15
157.2
157.25
157.3
157.35
157.4
156.175
156.275
156.325
156.375
156.425
156.475
156.525
156.575
156.625
156.675
156.725
156.875
156.925
156.975
157.025
157.075
157.125
157.175
157.225
157.275
157.325
157.375
157.425
157.425
156.05
156.25
156.3
156.35
156.4
156.45
156.5
156.55
156.6
156.65
156.7
156.75
156.8
156.85
156.9
156.95
161.6
157
157.05
157.1
157.15
161.8
161.85
161.9
161.65
162
156.175
156.275
156.325
156.375
156.425
156.475
156.525
156.575
156.625
156.675
156.725
156.875
156.925
156.975
157.025
157.075
157.125
157.175
161.825
161.875
161.925
161.975
162.025
157.425

Port operations and commercial
Port ops USCG VTS in Seattle
Intership safety only
Commercial working ch.
Comercl. intership only
Boater calling, comercl. & non- comercl.
Comercl. working ch
Commercial, VTS in selected areas
Port operations. VTS in selected areas
Intership navigation safety (bridge to bridge)
Port operations VTS in selected areas Environmental (rcv. only); Class C Epirbs Distress, safety, & calling. listening watch
State control
Commercial
Commercial
Port operations (duplex)
Port operations
U.S. Coast Guard only
USCG liaison & maritime safety info
U.S. Coast Guard only
Public use (marine operator)
Public use (marine operator)
Public use (marine operator)
Public use (marine operator)
Public use (marine operator)
Port operations & commercial
Port operations
Port operations
Comercl intership only
Non-commercial
Non-commercial
Digital selective calling only
Non-commercial
Non-commercial (intership only)
Port operations
Port operations
Port operations (intership only)
Non-commercial
Commercial
Commercial
U.S. Government only. EPA ops
U.S. Government only
U.S. Coast Guard only
Public use (marine operator)
Public use (marine operator)
Public use (marine operator)
Public use (marine operator)
Public use only near Canadian border Commercial intership only

Note: VTS (Vessel Traffic Services)


Single Sideband Radio
Frequency Intended Use

2182 kHz
2670 kHz
4125 kHz
6215 kHz
8291 kHz
12290 kHz
16420 kHz
2.5 MHz
5.0 MHz
10.0 MHz
15.0 MHz
20.0 MHz
3330 kHz
7335 kHz
14670 kHz
International hailing & distress
USCG Safety, NTM's, & WX
Primary HF distress & safety
Primary HF distress & safety
Primary HF distress & safety
Primary HF distress & safety
Primary HF distress & safety
WWV & WWVH U.S. time signal
WWV & WWVH U.S. time signal
WWV & WWVH U.S .time signal
WWV & WWVH U.S .time signal
WWV & WWVH U.S .time signal
CHU Ottawa Canadian time signal
CHU Ottawa Canadian time signal
CHU Ottawa Canadian time signal
Note: Refer to DMA Pub. 117, Radio Navigation Aids for a complete listing

HF Frequency Selection Guide
Local Time 200-750NM over 1500NM 6-11 Mhz

0
400
800
1200
1600
2000
3-5 MHz
3-5 MHz
3-7 MHz
4-7 MHz
4-7 MHz
3-7 MHz
6-9 MHz
4-7 MHz
6-11 MHz
8-13 MHz
8-13 MHz
6-11 MHz
6-9 MHz
11-22 MHz
13-22 MHz
13-22 MHz
11-22 MHz
Note: This table is very simplified and doesn't take into consideration seasons of the year or sunspot activity and their cycles. If you can hear traffic from a calling station clearly, you should be able to transmit to them successfully on that same channel.

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