User's Manual

GPS antenna installation (general)
Site selection
The GPS antenna installation site should be selected such that the maximum aggregate of
all blockages above the 10 degree mask angle, such as buildings or mountains, does not
exceed 25% of the surface area of a hemisphere around the GPS antenna. This blockage
should not be in one contiguous quadrant of the hemisphere. Each contiguously blocked
quadrant should be less than 12.5% of the sphere's surface area.
The following diagram shows the mask angle definition for the GPS antenna.
Important! Do not install the GPS antenna directly under structures that may
accumulate or shed snow or ice.
It is desirable that the antenna has the clearest view to the south, east, and west in the
northern hemisphere and to the north, east, and west in the southern hemisphere.
GPS antenna installation GPS antenna installation (general)
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E-2
Alcatel-Lucent – Proprietary
Use pursuant to applicable agreements
9927 Dist BTS Outdoor
401-703-516
Issue 1 March 2012