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TELEX.
TELEX COMMUNICATIONS,
9600 ALDRICH AVE. SO.. MINNEAPOLIS.MN 55420 USA
INSTRUCTION
MANUAL
The Hy-Gain "Eliminator
polarization.
capabilities
eliminating unwanted signals. The all aluminum construction, with isolation insulators at
strategic
construction.
This antenna must operate independently of other antenna systems, but can be stacked
as shown in Figure 13. You cannot extend the support mast between the driven element
and reflector and erect an omnidirectional
performance of both the ground plane and the quad. The most detrimental effect would be
to the quad.
The minimum mounting height for reasonable performance from directional Citizen's
Band antennas is 36 feet to the bottom tips of the elements. Additional height, where legal,
will lower the angle of radiation and improve the performance of the system.
If the tower or mast support utilizes guy wires, they should be broken up with egg insulators
every three feet for the first 40 feet. The antenna is capable of shock exciting (inducing
voltages) the guy wires and existing structures nearby up to a distance of 75 feet.
There should be no object closer than 30 feet to the quad at any time or deterioration of
performance will result. The total effect of metal roofs, rain gutters, roof caps, and house
wiring cannot be overemphasized.
metallic objects of large mass.
ilIIHIaiRI
ORDER NO. 416
II" is a two element Citizen's Band Quad with selectable
Selectable
polarization
which provides base-to-base
points eliminates the problems previously encountered
INC.
is a control
over receiving
and base-to-mobile
ground plane. This would deteriorate the
The antenna should be installed away from any
and transmitting
communications
while
with all aluminum
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Summary of Contents for Telex hy-gain Eliminator II
- Page 1 TELEX. TELEX COMMUNICATIONS, INC. 9600 ALDRICH AVE. SO.. MINNEAPOLIS.MN 55420 USA ORDER NO. 416 INSTRUCTION MANUAL The Hy-Gain "Eliminator II" is a two element Citizen's Band Quad with selectable polarization. Selectable polarization is a control over receiving and transmitting...
- Page 2 Electrical Power multiplication factor ; ...•....•..... Gain ........•......9 dB Front-to-back rejection, maximum vertical 30 dB Vertical to horizontal separation 15 dB SWR at resonance less than 1.5:1 Coaxial feedline 52 ohms Lightning protection DC ground provided Spreader length overall: Driven element.
- Page 3 JREFLECTOR ELEMENTWIRE ,.<) ,.<) 6'.,. Item Description •• .,. Beta Match Bracket, 1'1," to 1'14" Tube, '/a" x 36'/." 'f." Tube, x 40", DE-2 'f." Tube, x 41", REF-2 SEE FIGURE 6, 'I." Stub, Horizontal, x 4%" Detail A Tube, boom, 1'1,' x31" Wire, aluminum, 7 #20,110 Ft.
- Page 4 Continue to assemble the remaining element brackets and place them on the boom. Horizontal elements go at the boom ends as in Figures 3 and 5. Do tighten at this time. Set the boom and bracket assembly aside for use after the spreader arms have been completed.
- Page 5 Select the end insulators (Item 36) and loosely assemble them using the screws and hardware. Tighten the insulators on the reflector spreader element ends. See Figure 6, Details A and B. Select the four (4) Driven Element insulators (Item 14) and assemble them on the end of the four (4) %"...
- Page 6 NOTE: THE HARDWARE USED TO ASSEMBLE BRACKET BELOW 1$ IDENTICAL TO THE BRACKET ASSEMBLY RIGHT VERTICAL SPREADER ARM BRACKET ASSEMBLY Item PLACED INSIDE (TOWARD THE MAST) OF THE HORIZONTAL SPREADER ARM BRACKET ASSEMBLY Description Bracket. 1'1,,' to 1'14' 'I," 36'/," Tube.
- Page 7 DETAIL A Bottom Vertical ';@- ~ .• -®-- 8 (Not us d and bott~ on top spreader ~rms) DETAIL B Horizontal and T op Vertical Item Description Tube, 'I," x 41" Stub, Horlz ' REF-2 Wire AI ontal, x 4'1," 'Is"...
- Page 8 ALUMINUM WIRE (,!£(=",'="",==""""",~, MARK WIRE THESE ~:';~:1~£~~:~~~'rl FIGURES 7 f:, 9 ~9,~:,J DETAIL A Formation of Wire Loops BOTTOM SPREADER DRIVEN ELEMENT <::::r ::==t 28-----==; ; DETAIL A DETAIL B Horizontal Polarization Connection Vertical Polarization Connection Item Description Beta Match Clamp, Compression, 11/16"...
- Page 9 MARFR __ M_ARFE\~ __ ,.:"'~ "1f'~ '7"O'l"~ Loosely assemble the beta match (Items 1,2,20,26. and 28) on the left (left when looking at the Driven element from the Reflector end) horizontal spreader arm. Refer to Figure 8 and Figure 1, Vertical Polarization Connection. Install the wire on the Driven Element Spreader Arm as shown in Figures 8 and 10.
- Page 10 Item Description Lug 22, 18-Wlre, #10 Ring Lug 16, 14-Wlre, #10 Ring Attach the coax to the Driven Element wires as shown in Figure 8 using solder lugs supplied (Items 34 and 35). Securely tighten all hardware at this time. Wrap the coax around the coil form (Item 11 ) as shown in Figure 12.
- Page 11 Attach phasing lines to the antenna feed points as illustrated. They must be wound on the coil form exactly the same as the RG58/U is wound for a single antenna (see Figure 12). Check antenna feed system carefully to be certain it is as illustrated in the manual. This will insure proper phasing and operation of your stacked "Eliminator II's".
- Page 12 NOTE: Be sure the feedlines and 1,4-wavematching transformers are similarly placed on the booms of both antennas so they will be properly connected in phase. When attaching the coax to the stacked antennas, the braid shuld be connected to the right side of the lower vertical spreader and to the bottom side of the right horizontal spreader.
- Page 13 (') can be converted to centimeters in this way. 1 inch (1 ") 2.54 cm 1 foot (1') 30.48 em Example: 42" x 2.54 106.7 cm PRINTED IN U.S.A. CopyrightCl 1982 by Telex TELEX COMMUNICATIONS. INC. All rights reserved. 4 OCT 1982...
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