Hy-Gain LP-1009A, Instruction Manual

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Choose a large, clear area to assemble your
antenna. The area must be at least 28' x 38' (8.5
m x 11.6 m). You may wish to use a temporary
mast with sawhorses to support the boom during
assembly. A concrete driveway or parking area is
an excellent area for assembly. If you assemble
this antenna over a grassy area, precautions
should be taken so that hardware is not
accidentally lost during assembly. We have
included some extra small parts with this
product, just in case some are lost.
All tubing supplied with the LP-1009 antenna
telescopes together. Make all measurements to
the given dimensions, plus or minus no more
than 1/8 inch (3 mm).
TOOLS: The following tools are required for
easy assembly.
We suggest that the assembly of this product be
done over at least a 2 day period. We further
suggest that you read this manual thoroughly, in
its entirety, and then go through the manual a
second time and identify and familiarize yourself
with all of the antenna components. Start
assembling the antenna when you are prepared.
A few extra minutes invested in the assembly
process will ensure many years of satisfaction
with this antenna.
NOTE: An extra page that contains Figures 8A
and 8B, Element Assembly, has been inserted in
this manual for use when assembling the
elements.
Installation
The Hy-Gain LP-1009 Log-Periodic Antenna re-
quires a supporting tower structure which is at
least 50' (15.2 m) in height above ground level
and which will support at least 12.5 sq. ft. (1.1
sq. m) wind surface area. A support mast is not
supplied with this antenna. Mast height will vary
according to installation. A standard 10 foot mast
will suffice in most cases. This antenna may also
be installed atop buildings or other structures. In
these cases, the antenna should be at least 10' (3
m) above a peaked roof and at least 20' (6.1 m)
above a large flat roof. Performance may be
degraded at less than these heights, depending
upon the amount of metal in the roof and/or attic.
Other nearby antenna structures, power lines,
and guy wires may also affect the performance
of this antenna.
The LP-1009 also requires a suitable rotator, if
not installed in a fixed azimuth. Suitable rotators
include Hy-Gain models T2X and HDR- 300.
Corrosion Precautions
The LP-1009 antenna is designed to be relatively
maintenance free for most environments. All
hardware is made of passivated stainless steel,
typically grade 304. The internal tooth-type
lockwashers used in this antenna are grade 410
stainless steel, and are slightly magnetic. The
element tubing clamps are grade 304 stainless
steel. The set of boom support clamps is hot
dipped galvanized steel. Most other metallic
parts are aluminum. All insulators exposed to
sunlight are made from U.V. resistant black
polyethylene or black Cycloac.
We have supplied a 3 oz. tube of Penetrox-ATM
from Burndy Corporation for use as an anti-
oxidant within element tubing assemblies. This
prevents aluminum oxide from forming on the
aluminum surfaces, especially in coastal
environments.
Before assembling the tubing sections, abrade
the mating surfaces with a wire brush or
sandpaper. Apply the anti-oxidant to both
surfaces, then assemble joint. Wipe off any
excess material.