Planning the Installation
Selection of Antenna Installation Site
Install the antenna in accordance with the following procedures to insure maximum
performance of the antenna. The ideal antenna site has a clear view of the horizon
or satellite all around. Please be sure there are no obstacles within 15º above the
center of the antenna. Any obstacles can prevent the antenna from transmitting and
receiving the satellite signal.
Do not install the antenna near the radar especially on the same plane as its energy
levels may overload the antenna front-end circuits. It is recommended to position
the antenna at least 4 feet (1.2 m) above or below the level of the radar and minimum
of 15 feet (4.6 m) away from the high power short wave radars.
The mounting platform should be rigid enough and not subjected to excessive
vibration. The movement of the antenna can be minimized by installing at the
center of the vessel. If these conditions can be only partially satised, nd the best
compromised installation site between the various considerations.
Elevation Limit
of Obstacles
15°
Antenna Unit
Obstacle
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