Raymarine RAY90 Installation And Operation Instruction Manual page 179

(New) (Old) TX Freq
CH No. CH No. (MHz)
73 73 156.675
74 74 156.725
77 77
156.875
1078 78A 156.925
1079 79A 156.975
1080 80A 157.025
1081 81A 157.075
1082 82A 157.125
1083 83A 157.175
84 84 157.225
85 85 157.275
86 86 157.325
87 87 157.375
88 88 157.425
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
WX1
WX2
VHF Channels
RX
Freq Single
(MHz) Freq
156.675 x
156.725 x
156.875 x
x
156.92
5
156.975 x
157.025 x
x
157.075
x
157.125
x
157.175
161.825
161.875
161.925
161.975
157.425
Frequency in MHz
162.550
162.400
Use
Port operations.
Port operations.
Port operations (Intership only).
Non-commercial.
VDSMS.
Commercial.
Non-commercial in Great Lakes only).
VDSMS.
Commercial.
Non-commercial in Great Lakes only).
VDSMS.
US Government only — Environmental protection
operations.
US Government only.
US Coast Guard only.
Public correspondence (Marine operator).
VDSMS.
Public correspondence (Marine operator).
VDSMS.
Public correspondence (Marine operator).
VDSMS.
Public correspondence (Marine operator).
VDSMS.
Commercial, Intership only.
VDSMS.
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