KENWOOD B59-2721-00 VHF Maritime Radio User Manual

June 16, 2024
KENWOOD

KENWOOD B59-2721-00 VHF Maritime Radio

KENWOOD-B59-2721-00-VHF-Maritime-Radio-product

Product Information

Specifications

  • Operating Frequency Range: 156.050 MHz – 162.025 MHz
  • Weather Channel Frequency Range: 162.400 MHz – 162.550 MHz
  • Transmit Power Output: Varies depending on the channel (refer to FCC Rule Part 80 for details)
  • Channels: 88 (including weather channels)

Frequently Asked Questions

  • Q: Can I use channels 13, 15, 17, 67, and 77 with full power output?
    • A: No, these channels must be used with a power output limit of 1 W.
  • Q: Can I use simplex channels 3, 21, 23, 61, 64, 81, 82, and 83 in USA waters?
    • A: No, these channels cannot be lawfully used by the general public in USA waters.
  • Q: Where can I find detailed information about each operating frequency?
    • A: For detailed information about each operating frequency, please refer to the full text of FCC Rule Part 80.

Product Usage Instructions

Distress Calls

To make a distress call using the VHF Maritime Radio, follow these steps:

  1. Speak the distress signal “MAYDAY” three times.
  2. Say “THIS IS” to indicate that you are making a distress call.
  3. Repeat the call sign or other identification of the station in distress three times.
  4. Provide particulars of your position.
  5. Explain the nature of the distress.
  6. Specify the kind of assistance desired.
  7. Share any other information that might facilitate rescue, such as the length, color, and type of vessel, and number of persons on board.

Operating Frequency Requirements

The VHF Maritime Radio operates within the frequency range of 156.050 MHz to 162.025 MHz. However, please note that certain channels have specific operating requirements:

  • Channels 13, 15, 17, 67, and 77 must be used with a power output limit of 1 W.
  • Simplex channels 3, 21, 23, 61, 64, 81, 82, and 83 cannot be lawfully used by the general public in USA waters.

For detailed information about each operating frequency, please refer to the full text of FCC Rule Part 80.

Channel Frequencies

Channel Number Frequency (MHz) Transmit Receive
01 156.050 160.650 Rx only

Weather Channels

The VHF Maritime Radio also includes weather channels for receiving weather information. The weather channel frequencies are as follows:

Channel Number Frequency (MHz) Transmit Receive
01 162.550 Rx only Rx only

Distress Calls

Radiotelephone distress call and message transmission procedure:

The distress call:

  1. The distress signal MAYDAY spoken three times.
  2. The words THIS IS.
  3. The call sign or other identifi cation of the station in distress, spoken three times.
    • The distress message:
  4. Particulars of its position.
  5. The nature of the distress.
  6. The kind of assistance desired.
  7. Any other information which might facilitate rescue.
    • For example, the length, color, and type of vessel, and number of persons on board.

Operating Frequency Requirements

According to Federal Communications Commission Rule Part 80:

The radiotelephone stations on ships subject to Part II of Title III of the Communications Act must be capable of operating on the frequency 156.800 MHz and in other respects meet the requirements of §80.143. The radiotelephone stations on ships subject to the Safety Convention must be capable of operating in the simplex mode on the ship station transmitting frequencies specifi ed in the frequency band 156.025 MHz to 157.425 MHz and in the semiduplex mode on the two frequency channels specifi ed in the following table.

Additional information about operating requirements in the Maritime Services can be obtained from the full text of FCC Rule Part 80.

Channel Number Frequency (MHz)
Transmit Receive
01 156.050
02 156.100
03 1 156.150
04 156.200
05 156.250
06 156.300
07 156.350
08 156.400
09 156.450
10 156.500
11 156.550
12 156.600
13 2 156.650
14 156.700
15 2 156.750
16 156.800
17 2 156.850
18 156.900
19 156.950
20 157.000
21 1 157.050
22 157.100
23 1 157.150
24 157.200
25 157.250
--- ---
26 157.300
27 157.350
28 157.400
60 156.025
61 1 156.075
62 156.125
63 156.175
64 1 156.225
65 156.275
66 156.325
67 2 156.375
68 156.425
69 156.475
70 156.525
71 156.575
72 156.625
73 156.675
74 156.725
75 156.775
76 156.825
77 2 156.875
78 156.925
79 156.975
80 157.025
81 1 157.075
82 1 157.125
83 1 157.175
84 157.225
85 157.275
86 157.325
87 157.375
88 157.425

Weather Channel

01 Rx only 162.550
02 Rx only 162.400
03 Rx only 162.475
04 Rx only 162.425
05 Rx only 162.450
06 Rx only 162.500
07 Rx only 162.525
08 Rx only 161.650
09 Rx only 161.775
10 Rx only 161.275
  1. Simplex channels 3, 21, 23, 61, 64, 81, 82, and 83 cannot be lawfully used by the general public in USA waters.
  2. Channels 13, 15, 17, 67, and 77 must be used with a power output limit of 1 W.

Note: Detailed information about each operating frequency is beyond the scope of this document. Refer to the full text of FCC Rule Part 80 for detailed information about each operating frequency.

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