La banda de VHF para radiocomunicaciones maritimas se extiende desde 156 Mhz a 174 Mhz, contiene 57 canales VHF CH (chanels) numberados desde el VHF CH1 al VHF CH28 y desde el VHF CH60 al VHF CH88. Estos canales pueden ser utilizados en modo simplex o en modo duplex (como se explica en los siguientes capitulos), su uso viene dado por acuerdos internacionales. Pero existen excepciones, como por ejemplo Estados Unidos US, canales que son duplex pueden ser simplex en su version estadounidense y viceversa.
VHF CH |
Simplex/Duplex |
The use of the Channel |
VHF CH |
Simplex/Duplex |
The use of the Channel |
01 |
D |
Public Correspondence |
60 |
D |
Public Correspondence |
02 |
D |
Public Correspondence |
61 |
D |
Public Correspondence |
03 |
D |
Public Correspondence |
62 |
D |
Public Correspondence |
04 |
D |
Public Correspondence |
63 |
D |
Public Correspondence |
05 |
D |
Public Correspondence |
64 |
D |
Public Correspondence |
06 |
S |
Inter-ship & Aero SAR |
65 |
D |
Public Correspondence |
07 |
D |
Public Correspondence |
66 |
D |
Public Correspondence |
08 |
S |
Inter-ship |
67 |
S |
Inter-ship & |
09 |
S |
Inter-ship |
68 |
S |
Port Operations |
10 |
S |
Inter-ship & |
69 |
S |
Inter-ship |
11 |
S |
Port Operations |
70 |
S |
DSC Distress, Urgency, Safety & Routine Alerting |
12 |
S |
Port Operations |
71 |
S |
Port Operations |
13 |
S |
Inter-ship Navigational Safety & Port Operations |
72 |
S |
Inter-ship |
14 |
S |
Port Operations |
73 |
S |
Inter-ship & |
15 |
S |
On Board Communications (Max Power 1 watt) |
74 |
S |
Port Operations |
16 |
S |
RT Distress, Urgency, Safety & Routine Calling |
75 |
S |
Restricted to navigation-related communication only
|
17 |
S |
On Board Communications (Max Power 1 watt) |
76 |
S |
Restricted to navigation-related communication only
|
18 |
D |
Public Correspondence |
77 |
S |
Inter-ship |
19 |
D |
Public Correspondence |
78 |
D |
Public Correspondence |
20 |
D |
Public Correspondence |
79 |
D |
Public Correspondence |
21 |
D |
Public Correspondence |
80 |
D |
Public Correspondence |
22 |
D |
Public Correspondence |
81 |
D |
Public Correspondence |
23 |
D |
Public Correspondence |
82 |
D |
Public Correspondence |
24 |
D |
Public Correspondence |
83 |
D |
Public Correspondence |
25 |
D |
Public Correspondence |
84 |
D |
Public Correspondence |
26 |
D |
Public Correspondence |
85 |
D |
Public Correspondence |
27 |
D |
Public Correspondence |
86 |
D |
Public Correspondence |
28 |
D |
Public Correspondence |
87 |
S |
Port Operations |
88 |
S |
Port Operations |
International scheme of VHF channels
Algunos canales son utilizados de una forma particular dependiendo del lugar geográfico en el que estés navegando.