Topband: 160m Vertical

Joe nss at mwt.net
Fri May 15 11:21:10 EDT 2020


Myself I like longer,

Yes gotta use a cap, But not too big a deal, I find more variable caps 
at hamfests than roller inductors.

PLUS, longer raises the natural impedance too closer to 50 ohms. Of 
course NOT 50 but higher than 1/4 wave resistance.

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
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On 5/15/2020 10:18 AM, Tree wrote:
> Slightly shorter makes it easy to use an inductor to make up the
> difference.  If you make it long - you can do the same with a capacitor -
> but it's typically more trouble than the inductor.
>
> Tree N6TR
>
> On Fri, May 15, 2020 at 8:15 AM Ron WV4P <wv4ptn at gmail.com> wrote:
>
>>   I have built an insulated base for a 1/4 wave 160 antenna. The antenna
>> will be XXX' of Rohn 25. In searching I see people using heights from 115'
>> - 130' with a pretty high number around 124'.
>> I do not know how I am going to match it yet, I figure I will do my
>> research on that once it's up so I can learn while experimenting.... But
>> the height has me second guessing. I want it tunable across the band,
>> perhaps using a Tornado Tuner like my JK 801's have with a motorized
>> inductor ? But the question at hand is do I want the antenna Tall or Short
>> ? What is the Method behind the Madness ? :o)
>>
>> Thanks in advance,
>> Ron WV4P
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