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Using the Active Receive Verticals in a 4 Square or 8 Circle Array
Use the DX Engineering Receive Four Square System and four Active Receive Antennas to
configure a four square vertical array. Power and receiver connections are provided through the
Four Square system. Use the Receive Eight Circle system and eight Active Receive Antennas to
configure an eight circle receiving array. Power and receiver connections are provided through the
Receive Eight Circle system.
In a multi-element array, the internal jumpers are used to increase sensitivity at specific frequencies
or to reduce interference from strong broadcast stations.
When the
ARAV4
is used in a DX Engineering Four Square Receiving Array or the Receive Eight
Circle System, select a jumper setting at least 5% below the frequency in use.
For Example: If operating at 1.80 MHz, multiply 1.80 times 0.95. That equals 1.71 MHz.
Select jumper configurations no higher than 1.7 MHz.
In this example, use jumper L1MF. Do not use C1 jumpers.
When four
ARAV4
units are used in a four square array optimized for 160 meters or 80
meters, with 98 feet side lengths, the only jumper typically used is L1MF.
Configure all four
ARAV4
's units in the array with the same jumper settings.
The general rule is to use only L1 and not C1. For multi-band applications, use capacitors as a last
resort. Capacitors peak the response and reduce sensitivity on higher bands.
Table 1
(Page 7) gives the approximate peak response frequency for various jumper settings using
the vertically configured 3-piece aluminum antenna.
Alternate Mounting
If you plan to mount the
ARAV4
to a larger mounting mast, two
optional
DXE-SSVC-150P
and one optional
DXE-SSVC-150PG
V-Clamps are required which will accommodate mounting pipes
from 1" OD to 1-1/2" OD. Refer to
Figure 13
for examples.
Figure 13
