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Line of sight check There must be a clear line of sight from the antenna to the
Good View
(Clear line-of-sight, no
obstructions in the way)
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• Conforms with the NEC electrical code and local building
codes and regulations
• Location is safe from disruption; for example, not in an area
where it might be struck by vehicles
• Does not require a cable run that exceeds the specifications
for IFL installation
• Places the antenna as near the computer or other device as
possible
• Antenna will not be hazardous to customer site personnel,
customers, or passersby after installed
• Not an obtrusive part of the landscape
• Aesthetically acceptable to the customer
Every site has a number of possible installation locations. Each
location has characteristics that make it better or worse than the
others. Examine the site and account for the location of the
computer and other devices in the building. Remember that tree
growth may affect satellite signal reception.
satellite. Once an installation location is under consideration,
locate the satellite. Use a compass to locate the azimuth and a
straight edge and an inclinometer to locate the elevation. Look
into the sky toward the satellite. If anything blocks the line of
sight, find another installation location. Ask the customer if they
have any plans (such as landscaping) that might obstruct the
satellite signal. Examine nearby plants and trees, which may grow
and eventually block the signal.
Figure 2: Line of sight check
Poor View
(Obstructed line-of-
sight, trees block
the signal)
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Chapter 3 • Site survey
1035678-0001 DRAFT Revision 1.04
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