Specifications

SG-231 MANUAL
SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
© 11/00 SGC, Inc. P.O. Box 3526, 98009 Fax: [phone] Tel: [phone]
E-Mail: [e-mail] Website: www.sgcworld.com
22
A. If a fla
g
pole is made of PVC pipe,
it is eas
y
to tape a lar
g
e
g
au
g
e wire
to the inside of the pipe and use a
g
ood counterpoise. T
y
pical fla
g
poles
are 25 to 35 feet in hei
g
ht and offer
excellent performance on all bands.
At least three ground radials
longer than the flag pole
Coupler
B. Masonr
y
chimne
y
s are visuall
y
“busy.” You can run a #10 copper
wire parallel to the chimne
y
with
little risk of detection. Some short
standoffs and
y
ou have a support for
a vertical dipole type antenna.
C. Along the edge of the roof, held
off by some inexpensive TV twin-
lead standoffs, you can hide 25 to 40
feet of antenna on virtually any
house.
D. The Inverted “L” antenna ma
y
work sli
g
htl
y
better if it is installed
clear of a buildin
g
, but for covert
operations, this t
y
pe of installation is
a favorite. If the feed-point is at
ground level ad
j
acent to an iron or
copper water line enterin
g
the house
that will provide an excellent
counterpoise.
B
C
D
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