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Table of Contents
Introduction
3
DXE-RCA8B-SYS-2P
– Receive Eight Circle Array
3
Are you ready to build your Eight Circle Array?
3
DXE-RCA8B-SYS-2P
Package
4
Additional Parts Required, Not Supplied with the
DXE-RCA8B-SYS-2P
4
Eight Circle Layout
4
System Overview
5
Installation
6
Control and Power Connections
7
Receive Eight Circle Passive Vertical Elements
9
Array Spacing
9
Typical Receive Eight Circle Configuration
10
Station and Active Antenna Feedline and Delay Line
11
Vertical Element Feedlines
12
Delay Line
12
Lightning Protection
13
Optimizing the Array
14
Theory of Operation of the Eight Circle Array
14
System Design Features and Benefits
14
Frequency Coverage -vs.- Element Type
15
Receive Antennas - Gain and Efficiency
16
Site Selection
16
Effects on Patterns
18
Site Selection in Relation to Noise Sources
18
Proximity to Transmitting Antennas
19
Examples of Array Performance
20
Multi-Band Arrays with Active Elements
20
Topographical Considerations
23
Sizing the Array
23
Receive Eight Circle Troubleshooting
25
Optional Items
29
Technical Support and Warranty
32