Generally good info snipped:
Actually at *any* length, other than multiples of one-half wavelength, there is
always some impedance transformation in a mismatched line.
On 1/13/2016 5:40 AM, Bob McGraw K4TAX wrote:
The feed-line basically reflects the impedance of the antenna from the feed
point to the source. Although at certain electrical lengths of line it can
serve as a 1/4 wave transformer thus transforming the antenna impedance to
another value, we typically find that a 1:1 current balun is better suited for
the application when working between a balanced line/load and a tuner.
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