[bars] Radials

[ka1uln@arrl.net]

yes. good point paul.  tnx so much for pointing that out

Niece

On Wed, May 17, 2023 at 13:52 KC1SOZ <kc1soz at bd5.com> wrote:

> Interesting. After some research i found that the radials the factory
> sends are 10" long.
>
> Since i will have to roof mount the antenna (my property apparently sits
> on a huge granite boulder), i am trying to keep the experimentation down to
> a minimum, for obvious reasons. That's why I am looking for other HAM's
> experiences with it. Thanks!
>
> On Wed, May 17, 2023, 1:12 PM Paul Pellegrini <k1vk at yahoo.com> wrote:
>
>> The size of the elements you are looking for is not that important.  The
>> elements will make an electrical circuit known as a capacitance hat.  This
>> addition to your vertical will make it resonate at a lower frequency.  For
>> instance, if your antenna resonates at 3.95 MHz, a capacitance hat might
>> allow it resonate at 3.85 MHz.  I had one of these HyGain antennas several
>> years ago and made my capacitance hat out of some spare director elements
>> from an old 2 meter yagi.  One final thing about HyGain vertical antennas,
>> they are quite narrow band, especially at 80 meters.  You may only get 50
>> KHz of bandwidth without using the antenna tuner whether you install a
>> capacitance hat or not.
>>
>> So, your question as to length, bigger may be better.  It will allow you
>> to decrease the antenna’s resonant frequency to a lower number.  Experiment
>> and see what is right for your needs.
>>
>> 73 de K1VK - Paul
>>
>>
>> On Tuesday, May 16, 2023 at 09:09:28 PM EDT, KC1SOZ <kc1soz at bd5.com>
>> wrote:
>>
>>
>> Does anyone here own, or know someone who owns, a Hy-Gain AV-12AVQ,
>> -14AVQ or -18AVQ vertical antenna? I need to find out the length of the top
>> hat radials that are installed at the top. Thanks in advance for any help.
>>
>> 73,
>> KC1SOZ Juan
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