[TowerTalk] 80m DX special dipole

[Jim Brown]

It might be easier, but it isn't as good.  The problem is that antennas 
like that cannot be choked to kill RX noise. And most of us live where 
that matters.

73, Jim K9YC

On 9/13/2018 3:03 PM, Tom Osborne wrote:
>> Wouldn't it just be MUCH easier to put some ladder line on the antenna and
>> use a Matchbox to tune it??
>
> That is what I do here. Using an old Johnson Matchbox and the antenna works
> like gangbusters on  ALL bands.   73
>
> Tom W7WHY
>
>> It should be possible to broadband your vertical using lumped element
>> circuits at the base.  You would need to model or measure the base
>> impedance vs frequency and then find the element values by trial and
>> error with a modeling program like SimSmith.  Somewhere in the past, QST
>> had an article about this in "technical correspondence" that related to
>> dipoles.  That would at least get you started.
>>
>> Dan:  can AUTO-EZ do this optimization?
>>
>> 73
>> Rick N6RK
>> _______________________________________________
>>
>>
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