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4. CONSTRUCTION
During the environmental survey all installation not only ATU and JCU, but also places for DPU, cables,
protective pipes, should be carefully considered.
4.1. Requirement for Radar Stand
1)
The radar stand is used when installing the weather radar at a specific observation point.
2)
The antenna unit is mounted on the top of the radar stand.
3)
The installed location of the radar must have proper load bearing resistance and durability to
support a radar stand.
4)
The radar stand must be considered not to fall down in strong wind or earthquake.
5)
Keep strictly checking the safe distance when deciding the height of the radar stand written in the
"Operator's manual".
6)
ATU where work is often done at high places, a scaffold that service engineer can work at high
places, ladders that must reach to ATU, sites where safety belts for fall prevention, etc. can be
fixed must be required.
7)
The radar stand should be installed in the level within
8)
ATU should be installed in the level within
unit" in section 5.
ATU
Leveling ±2°
(Radar stand)
Figure 4.1: Leveling of radar stand
±2
degrees.
±0.2
degrees. Refer to the item "Leveling the antenna
15
Leveling ±0.2°
(Radar)
Radar stand
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