[CQ-Contest] Two Towers, Two Tribanders - Coax Length for Stack Match?

Charles Harpole hs0zcw at gmail.com
Sun Jul 12 14:04:17 EDT 2015

I have been told by others that KK9A is wrong and that having two different
coax lengths will present different impedance and different phase to the
different antennas, in some case being lucky and ok with some lengths and
some other messing it all up.

tnx, Charly K4VUD

On Sun, Jul 12, 2015 at 11:29 PM, <john at kk9a.com> wrote:

> If the towers are being used for spraying in different directions there is
> no need to equal length coax.
> John KK9A
> To:     CQ-Contest at contesting.com
> Subject:        [CQ-Contest] Two Towers,        Two Tribanders - Coax
> Length
> for Stack Match?
> From:   Richard Thorne <rthorne at rthorne.net>
> Date:   Sun, 12 Jul 2015 07:14:07 -0500
> I'm in the process of putting up a second tower which will have stacked
> tribanders. These 3 tribanders will be fed via a Stack Match with equal
> lengths of coax.
> My current tower also has a tribander.
> I plan on installing a stackmatch II switch between the two towers for
> quick
> direction changing or spraying my signal in 2 directions.
> Is it worth the trouble to use equal length feed lines? If I use what I
> currently have one feed line will be 278' and the other will be 140'.
> Thanks
> Rich - N5ZC
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Charly, HS0ZCW

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