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Site Preparation Guide
Figure 3:
Large Reflecting Surfaces
100_03
Large storage tanks which are common in industrial areas
Factors that can reduce antenna range
Large reflecting surfaces that are parallel or partly perpendicular to the radio signal
cause reflections of the radio signal. Examples of reflecting surfaces are buildings with
low-emissivity (low-e) glass, crowded parking lots, water, moist earth, moist
vegetation, and above-ground power or telephone lines.
Because surrounding objects such as trees, power lines, other antennas, and the like
seriously reduce efficiency of the antenna, it is very important to mount the antenna as
high and clear of obstacles as possible.
Ensure that the cable between the antenna and lightning arrestor is at least 3 feet (0.9
meters) away from high-voltage or high-current cable.
5
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