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The
counterpoise earth system for DVOR is arranged for high accuracy
communication at difficult sites since it is immune to many of the
siting problems and giving the required tolerances for the signals
in space.
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Features
- Aids
in high accuracy communication, as it is immune from many
of the siting problems
- Allows
required tolerances for the signals in the space
- Earth
reflection is constant through all seasons
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Applications
Generally,
this product is used by the civil aviation authorities.
Technical
specifications (for model 100-R-CPE)
The
following are the technical specifications for the counterpoise:
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| Mechanical |
| * |
Diameter
o f the Counterpoise |
100
feet |
|
| *
|
Height
of the Counterpoise |
5
meters above the ground level |
| * |
Number of vertical supports |
36 |
| *
|
Number
of truss supports |
72 |
| *
|
Counterpoise
material |
3”
x 3” x 3mm (steel mesh) |
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|
| Electrical |
|
| D.C.
Resistance of Counterpoise earth |
<
5 Ohms |
| Wind
load |
100
MPH |
| Ambient
Temperature |
-10o
C to +55o
C |
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