S-20
Núm. canal
Frec. RX
Frec. TX
Estado
Nombre en la pantalla
19A
156.9500
156.9500
Simplex
Commercial
20
161.6000
157.0000
Duplex
Port operation
20A
157.0000
157.0000
Simplex
Port operation
21A
157.0500
157.0500
Simplex
Coast guard only
22A
157.1000
157.1000
Simplex
Coast guard
23A
157.1500
157.1500
Simplex
Coast guard only
24
161.8000
157.2000
Duplex
Marine operator
25
161.8500
157.2500
Duplex
Marine operator
26
161.9000
157.3000
Duplex
Marine operator
27
161.9500
157.3500
Duplex
Marine operator
28
162.0000
157.4000
Duplex
Marine operator
63A
156.1750
156.1750
Simplex
Vessel traffic system
65A
156.2750
156.2750
Simplex
Port operation
66A
156.3250
156.3250
Simplex
Port operation
67
156.3750
156.3750
Simplex, 1W
Bridge to bridge
68
156.4250
156.4250
Simplex
Non commercial
69
156.4750
156.4750
Simplex
Non commercial
70
(156.5250
156.5250)
DSC Only
DSC
71
156.5750
156.5750
Simplex
Non commercial
72
156.6250
156.6250
Simplex
Non commercial (ship-ship)
73
156.6750
156.6750
Simplex
Port operation
74
156.7250
156.7250
Simplex
Port operation
75
156.775
156.7750
Simplex, 1W
Port operation
76
156.825
156.8250
Simplex, 1W
Port operation
77
156.8750
156.8750
Simplex, 1W
Port operation (ship-ship)
78A
156.9250
156.9250
Simplex
Non commercial
79A
156.9750
156.9750
Simplex
Commercial
80A
157.0250
157.0250
Simplex
Commercial
81A
157.0750
157.0750
Simplex
Government