Operating Frequency Requirements - Motorola ASTRO APX O2 Control Head Mobile Radio User Manual

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:
a. in the simplex mode on the ship station transmitting
frequencies specified in the 156.025 – 157.425 MHz
frequency band, and
b. 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.
Table A-1: VHF Marine Channel List
Frequency (MHz)
Channel
Number
Transmit
1 156.050
Table A-1: VHF Marine Channel List (Continued)
Channel
Number
2
*
4
5
6
7
8
9
10
11
12
13**
14
15**
16
17**
18
19
20
*
22
Receive
*
160.650
Frequency (MHz)
Transmit Receive
156.100 160.700
156.150 160.750
156.200 160.800
156.250 160.850
156.300 –
156.350 160.950
156.400 –
156.450 156.450
156.500 156.500
156.550 156.550
156.600 156.600
156.650 156.650
156.700 156.700
156.750 156.750
156.800 156.800
156.850 156.850
156.900 161.500
156.950 161.550
157.000 161.600
157.050 161.650
157.100 161.700
157.150 161.750
113
English