Radio Shack 21-1706 Marine Radio User Manual


 
Connecting an Antenna
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There are many different types of CB antennas for mobile
CBs. Each type has its own benefits, so choose the one that
best meets your needs. Your local RadioShack store sells a
wide variety of antennas.
When you choose an antenna, keep in mind that, for the
best performance, you should mount the antenna:
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as high as possible on the vehicle
as far as possible from sources of electrical noise
vertically
Once you choose an antenna, follow its mounting
instructions. Then route the cable to the transceiver and
connect the cable to the
ANTENNA
jack on the back of the
transceiver.
To take advantage of your radio’s maximum range, adjust
the antenna’s Standing Wave Ratio (SWR) using an SWR
meter (not supplied).
Follow the instructions supplied with the SWR meter and
antenna to adjust your antenna’s SWR to the lowest
possible value. SWR values of 2.0:1 are generally
acceptable, with readings of 1.5:1 or lower being more
desirable.
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"016'"
±
"
If you are using this CB as a base
station, see “Using the Transceiver
as a Base Station” on Page 6.
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Avoid routing the cable next to
sharp edges or moving parts,
which might damage the cable.
Do not run the cable next to
power cables or other radio
antenna cables.
Do not run the cable through
the engine compartment or
other areas that produce
extreme heat.
Antenna