(New)
CH No.
(Old)
CH No.
TX Freq
(MHz)
RX
Freq
(MHz)
Single
Freq
Use
11
11
156.550
156.55
0
x
Commercial.
VTS in selected areas.
VDSMS.
12
12
156.600
156.60
0
x
Port operations.
VTS in selected areas.
13
13
156.650
156.65
0
x
Intership navigation safety (Bridge-to-bridge).
Ships >20 metres in length maintain a listening watch
on this channel in US waters.
14
14
156.700
156.700 x
Port operations.
VTS in selected areas.
15
15
-
156.750
x
Environmental (Receive only).
Used by Class ‘C’ EPIRBs.
16
16
156.800
156.80
0
x
International Distress, Safety and Calling.
Ships required to carry radio, USCG, and most coast
stations maintain a listening watch on this channel.
17
17
156.850
156.85
0
x
State Control.
1018
18A
156.900
156.90
0
x
Commercial.
VDSMS.
1019
19A
156.950
156.95
0
x
Commercial.
VDSMS.
20
20
157.000
161.600
Port operations (duplex).
1020
20A
157.000
157.00
0
x
Port operations.
1021
21A
157.050
157.050
x
US Coast Guard only.
1022
22A
157.100
157.100
x
Coast Guard Liaison and Maritime Safety Information
Broadcasts.
Broadcasts announced on channel 16.
1023
23A
157.150
157.150
x
US Coast Guard only.
24
24
157.200
161.800
Public correspondence (Marine operator).
25
25
157.250
161.850
Public correspondence (Marine operator).
26
26
157.300
161.900
Public correspondence (Marine operator).
27
27
157.350
161.950
Public correspondence (Marine operator).
28
28
157.400
162.00
0
Public correspondence (Marine operator).
1063
63A
156.175
156.175
x
Port operations and commercial VTS, Available only in
New Orleans / Lower Mississippi area.
1065
65A
156.275
156.275 x
Port operations.
1066
66A
156.325
156.325 x
Port operations.
67
67
156.375
156.375
x
Commercial.
Used for bridge-to-bridge communications in lower
Mississippi river (Intership only).
68
68
156.425
156.425 x
Non-commercial.
VDSMS.
69
69
156.475
156.475
x
Non-commercial.
VDSMS.
71
71
156.575
156.575 x
Non-commercial.
VDSMS.
72
72
156.625
156.62
5
x
Non-commercial (Intership only).
VDSMS.
48
