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Appendix: Maritime Radio Use in the VHF Frequency Range
Non-Commercial Call Channel
For non-commercial transmissions, such as fishing reports,
rendezvous arrangements, repair scheduling, or berthing
information, use VHF Channel 9.
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.
Note: 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.
Channel
Number
1
2
*
4
5
6
7
ASTRO XTS 2500/XTS 2500
Table A-1: VHF Marine Channel List
Transmit
156.050
156.100
156.150
156.200
156.250
156.300
156.350
I
Model III
Frequency (MHz)
Receive
160.650
160.700
160.750
160.800
160.850
–
160.950
121
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