[TowerTalk] Coax Lengths for Stacked Yagis

Richard (Rick) Karlquist richard at karlquist.com
Fri May 4 00:24:06 EDT 2018

Isn't it true that for lines that have a length
that is any multiple of a quarter wave,
the phase shift when matched is the same as when mismatched?

Otherwise, (1) is correct AFAIK.

Rick N6RK

On 5/3/2018 9:06 PM, Wes Stewart wrote:
> Another point or two and then I'll shut up.
> 1)  The expected phase shift in a line is only achieved when the line is 
> matched.
> On 5/3/2018 7:28 PM, Wes Stewart wrote:
>> Quarter wavelength lines have the magical property that the output 
>> current is equal to the input voltage divided by the line Zo.  So with 
>> multiple inputs tied together, and obviously having the same voltage, 
>> the output currents will be equal.

More information about the TowerTalk mailing list