Chapter 3 _______________________________________________________________ Installation
VAISALA________________________________________________________________________ 9
CHAPTER 3
INSTALLATION
This chapter instructs you in installing the antenna set.
Selecting Location
For best results, select an installation site for the antenna set that is:
- open, in other words, clear of obstacles such as buildings, dense
forests, or high metal masts.
- even, in other words, the ground is even and relatively firm.
A single tree does not affect signal reception to any significant degree,
unless it is exceptionally dense or very close (less than 20 meters from
the antenna set). Sparse forest can cause some attenuation but is
usually not a real hindrance.
Other antenna masts and metal structures of small diameter do not
disturb reception if situated more than 20 meters away from the
antenna set. However, metal roofs or other large surfaces may reflect
signals, causing short-duration fading. If the antenna set is screened by
a large building, reception may be impossible.
Install the antenna set on firm ground if possible. If the ground is soft,
place the foot pads under the tripod legs to prevent the antenna set
from sinking. Although the tripod legs are adjustable, the tripod is
more stable when installed on an even surface.
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