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Old 09-30-1999
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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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