Radiation
Base Delta Loop
Coupler
Coupler
7 to 25 meters
1 meter
3 meters
Hot
GND
E66 insulators
(x8)
3 meters
Base Dipole Installation
RF Cable
Control cable
Coupler
up to 300 feet
up to 200 feet
Hot
GND
Base Ladder Installation
Control cable
RF cable
Balanced Line Feeders
300-600 Ohms
Base Quadra
Loop Horizontal
Porcelain
isolators
with tie rope
Ground
bolt
terminal
Antenna
terminal
Radiation
50 ohm
coax from
transmitter
Coupler
Isolator
Isolator
Wire goes to
the coupler
Wire antenna
Ground
Radio
Aviation
control
head
Coupler
Wire antenna
Fixed Wing
Aircraft
At least three ground radials
longer than the flag pole
Coupler
Wire antenna
Rotary Aircraft
Strut to space out
antenna with plastic
tubing or fiberglass
rod
Coupler
Isolator
Recreational Vehicle
Antenna Installation
18" PVC
pipe
standoffs
Metal roof
of vehicle
Antenna wire
Coupler
mounted
inside coach
Use a separate ground strap or wire for the body
and the chassis to the ground of the coupler.
Coupler
Ground
coupler
securely
to truck
Transceiver
2.0 M whip
Feed through insulator
Vehicle Installation
Coupler
F
E
G
Coupler
Coupler
Feed through insulator
Coupler
Suitable stay cable
Ground to
steel bulkhead
or overhead
Motor Vessel Installation
Radiation
75 feet
Porcelain
isolator
Lower mast connection
to coupler RF ground
Vessel
Groundless
Loop
Coupler
Selected Antenna Configurations
SG-239
SMARTUNER™
Antenna Coupler
Cat. #54-22
This manual is available for download at
www.sgcworld.com
© 2001 SGC, Inc.
SG-239 Manual
page 36
Wednesday, October 17, 2001 08:31
Composite
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