RadioShack 10M - Manual
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Table of Contents:
- Page 2 – BEFORE YOU BEGIN
- Page 3 – PREPARATION; Pre-Tuning the Antenna
- Page 5 – TUNING THE ANTENNA
- Page 6 – TROUBLESHOOTING
- Page 7 – SPECIFICATIONS
Your RadioShack 10M Ham/CB Base
Antenna provides excellent reception of
amateur radio, CB, and commercial radio
signals. The antenna can handle up to
2000 watts of transmit power.
Your antenna’s features include:
Electrical Half-Wave Design — pro-
vides high gain.
Note: To improve your antenna’s gain,
you can connect an optional ground
plane kit (available through your local
RadioShack store) to your antenna.
Three Easy-to-Assemble Sections —
help you quickly and easily assemble the
antenna.
Dual Tuning Rings — help you quickly
set the antenna for optimum perfor-
mance over a wide range of frequencies.
Ultraviolet Inhibitor — the antenna’s
UV-protected housing is made of impact-
resistant fiberglass, making the exterior
resistant to weathering and color change.
Strong Internal Construction — pre-
vents the antenna’s internal wires from
rattling, for maximum strength.
IMPORTANT SAFETY
PRECAUTIONS
Many do-it-yourself and professional an-
tenna installers are injured or killed each
year by electric shock. Many power wires
are within 20 to 25 feet of the ground and
could easily be touched by an assembled
antenna or cable. Touching the overhead
wires with any part of the antenna is the
same as touching the wires with your
bare hand. Contacting an electrical wire
almost always results in a very serious
shock.
To avoid electric shock, please read and
follow these important safety precautions:
• Be sure to select an antenna site
well away from all overhead wires.
• Do not try to guess which overhead
wires carry high voltage. Check with
the power company.
• If you notice anything making con-
tact with the overhead wires, call the
power company to have it removed.
• Do not run the antenna’s cable over
power wires.
• Get help from a qualified profes-
sional when removing the old
antenna, especially if you have any
doubt about clearing overhead
wires.
• Never install an antenna by your-
self. Be sure to have at least two
people available for help.
• Never install an antenna on a windy
day.
Cat. No.
21-869
© 1999 Tandy Corporation.
All Rights Reserved.
RadioShack is a registered trademark used by Tandy Corporation.
10M Ham/CB Base Antenna
21-869.fm Page 1 Wednesday, October 13, 1999 11:50 AM
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Summary
2 BEFORE YOU BEGIN When deciding on an antenna’s location,consider these points: • The antenna should be as high as possible on the building. • The antenna and its cable should be as far as possible from sources ofelectrical noise such as appliancesor other radios. • The antenna should be vertical f...
3 PREPARATION Pre-Tuning the Antenna Your antenna is preset to use 27.205MHz (the middle of the CB band) for thelowest SWR. If you are using your anten- na with a CB radio, you do not have topre-tune it. See “Assembling and Mount-ing the Antenna” on Page 3. Before you assemble and mount the an-tenna...
5 TUNING THE ANTENNA If you are using your antenna at frequen-cies in the range of 25 to 30 MHz, youcan tune the antenna using an standing-wave ratio (SWR) meter (not supplied)and the dual tuning rings on the bottomelement. Notes: • If you are using your antenna at fre- quencies below 25 MHz, you wi...
