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Old June 9th 11, 01:53 PM posted to rec.radio.amateur.antenna
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Default Standing waves on antenna, doubts!

On Jun 9, 7:42*am, "'Doc" wrote:
'Standing Waves' are not always a 'dirty' word. *It just depends on
where they are and why.


Exactly. Standing waves are often our friend. When one feeds a 1/2WL
dipole with 1/2WL of ladder-line on 80m, one is depending upon the
standing waves to transform the impedance looking into the feedline to
the same value as it is at the antenna feedpoint. Without the standing
waves on the 300 ohm matching section, a G5RV would not work. The
transforming characteristics of a 1/4WL matching section depends upon
standing waves. The proper functioning of stubs depends upon standing
waves.
--
73, Cecil, w5dxp.com
 
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