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Re: [RFI] Flag Antenna Question

To: Don Kirk <wd8dsb@gmail.com>
Subject: Re: [RFI] Flag Antenna Question
From: Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
Date: Wed, 1 Feb 2023 15:52:16 -0500
List-post: <mailto:rfi@contesting.com>
Thanks for the info.

On Wed, Feb 1, 2023 at 3:09 PM Don Kirk <wd8dsb@gmail.com> wrote:

> Hi Bob,
>
> Dave (W0LEV) provided you good insight.  Normally I say just stay away
> from wire wound resistors as we know they are definitely inductive, and
> carbon resistors are just fine.
>
> Any value of termination resistor between 680 ohms and 820 ohms will
> provide good results for use on my portable flag.  There are just slight
> trade offs between how a 680 and 820 resistor perform and you can see front
> to back ratio versus elevation plots showing how the 680 ohm resistor and
> 820 ohm resistor model.  I actually have two identical portable flags, one
> with a 680 ohm termination resistor and one with a 820 ohm termination
> resistor and you would be hard pressed telling the difference unless I told
> you what to look for in performance.  You can see the plots on my portable
> flag website at https://sites.google.com/site/portableflagantenna/
>
> 73,
> Don wd8dsb
>
> On Wed, Feb 1, 2023 at 2:26 PM Bob Kozlarek WA2SQQ <wa2sqq@gmail.com>
> wrote:
>
>> I started putting together one of your portable flag antennas. Regarding
>> the resistor that is used by notice it’s called out as a non-inductive
>> resistor. Is this something special or with a standard carbon comp or
>> carbon film resistor work? If this is something that is super critical I’m
>> thinking that I could put two or more larger values in parallel to arrive
>> to desire value.--
>>
>>
>>
>> *Best 73 de WA2SQQElmwood Park, NJ"The only dumb questions are those we
>> don't ask"*
>> _______________________________________________
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>> RFI@contesting.com
>> http://lists.contesting.com/mailman/listinfo/rfi
>>
> --



*Best 73 de WA2SQQElmwood Park, NJ"The only dumb questions are those we
don't ask"*
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