Raymarine RAY91 VHF, Installation And Operation Instruction Manual

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(New)
CH No. (Old)
CH No. TX Freq
(MHz)
RX
Freq
(MHz)
Single
Freq
Use
73 73 156.675 156.675 x Port operations.
74 74 156.725 156.725
x
Port operations.
77 77 156.875 156.875 x Port operations (Intership only).
1078 78A 156.925 156.92
5 x Non-commercial.
VDSMS.
1079 79A 156.975 156.975 x Commercial.
Non-commercial in Great Lakes only).
VDSMS.
1080 80A 157.025 157.025
x
Commercial.
Non-commercial in Great Lakes only).
VDSMS.
1081 81A 157.075 157.075
x
US Government only — Environmental protection
operations.
1082 82A 157.125 157.125 x US Government only.
1083 83A
157.175 157.175 x
US Coast Guard only.
84 84 157.225 161.825 Public correspondence (Marine operator).
VDSMS.
85 85 157.275 161.875 Public correspondence (Marine operator).
VDSMS.
86 86 157.325 161.925
Public correspondence (Marine operator).
VDSMS.
87 87 157.375 161.975 Public correspondence (Marine operator).
VDSMS.
88 88 157.425 157.425 Commercial, Intership only.
VDSMS.
Please be aware that:
• Recreational boaters normally use channels listed as Non-commercial: 68, 69, 71, 72 1078.
• Channel 70 is used exclusively for DSC and is not available for regular voice communications.
• Channels 75 and 76 are reserved as guards bands for channel 16 and are not available for regular voice
communications.
Note:
1. Four digit channels indicate simplex use of the ship station transmit side of an international semi-duplex
channel. Operations are different from that of international operations on that channel.
2. Channel 13 should be used to contact a ship when there is danger of collision. All ships of length 20
metres or greater are required to guard VHF channel 13, in addition to VHF channel 16, when operating
within US territorial waters.
3. Channel 15 is receive only.
4. Channel 16 is used for calling other stations or for distress calls.
5. Channel 17 and channel 77 have a fixed power output of 1 watt.
6. Channel 13 and channel 67 have an initial power output of 1 watt. User can temporarily override this
restrictions to transmit at high power.
7. VDSMS (VHF Digital Small Message Services). Transmissions of short digital messages in accordance
with RTCM Standard 12301.1 is allowed.
WX Channels (North America only)
Weather Channel Frequency in MHz
WX1 162.550
WX2 162.400
VHF Channels 153