Operating Frequency Requirements
A radio designated for shipboard use must comply with
Federal Communications Commission Rule Part 80 as
follows:
• on ships subject to Part II of Title III of the
Communications Act, the radio must be capable of
operating on the 156.800 MHz frequency.
• on ships subject to the Safety Convention, the radio
must be capable of operating:
- in the simplex mode on the ship station transmitting
frequencies specified in the 156.025–157.425 MHz
frequency band, and
- in the semiduplex mode on the two frequency
channels specified in the table below.
NOTICE:
Simplex channels 3, 21, 23, 61, 64, 81, 82, and 83
cannot be lawfully used by the general public in US
waters.
Additional information about operating requirements
in the Maritime Services can be obtained from the
full text of FCC Rule Part 80 and from the US Coast
Guard.
Table 1: VHF Marine Channel List
Channel Num-
ber
Frequency (MHz)
Transmit Receive
1 156.050 160.650
2 156.100 160.700
* 156.150 160.750
4 156.200 160.800
5 156.250 160.850
6 156.300 –
7 156.350 160.950
8 156.400 –
9 156.450 156.450
10 156.500 156.500
11 156.550 156.550
12 156.600 156.600
13** 156.650 156.650
14 156.700 156.700
Table continued…
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