[TowerTalk] antenna choices for K4XS

[Roger D Johnson]

It stands to reason that you would remove the grounding strap when using a balun.

73, Roger


On 4/19/2015 11:43 AM, Joe Subich, W4TV wrote:
> On 2015-04-19 11:20 AM, Kevin Stover wrote:
> > A balanced feed point fed with unbalamced line needs a choke or 1:1
> > balun or you get feedline radiation and screwed up pattern from
> > common mode current on the coax shield.
>
> Mosley's TA series antennas are not balanced feed points.  They strap
> one side of the driven element to the boom - that severely unbalances
> the antenna *even if one uses a balun or choke*.  Depending on the
> antenna height (impedance of the tower at the antenna DE), it may be
> nearly impossible to make a choke work properly and keep the feedline
> and/or tower from radiating.
>
> 73,
>
>    ... Joe, W4TV
>
>
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