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Installation | V3100 User Manual
decided by line of sight distance, the VHF antenna should be placed
as high as possible and at least 5 meters away from any construc-
tions made of conductive materials.
VHF antenna locations
The connector type on the AIS transponder is SO239. Your chosen
VHF antenna requires a PL259 connector to mate with this. If your
VHF antenna does not use this type of connector, please contact
your dealer for details of available adaptors.
GPS antenna installation
Install the GPS antenna where it has a clear view to the sky, so that it
may access the horizon freely with 360° degrees.
GPS antenna locations
It is recommended to keep the GPS antenna out of the transmitting
beam of high-power transmitters such as Inmarsat devices and radar.
When connecting the cables, take note of the following precautions.
• Bending cables may cause damage to the inner wires and impair the
performance
• Each coaxial cable should be set up separately and can only be set
up in a single cable tube
• Insulation on connector port of the coaxial cable should be consid-
ered.
10 m
2 m
VHF antenna
Other VHF antenna
Other transmitting
antenna
The recommended vertical dis-
tance between antennas is 2 m.
The recommended horizontal dis-
tance between antennas is 10 m.
5˚
3 m
The recommended horizontal
distance between GPS antennas
and other antennas is 3 m.
Ensure a free 360°
horizon with a vertical
observation of 5°.
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