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Subject:
From:
Steve Dresser <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Wed, 12 Mar 2008 13:27:49 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (92 lines)
Steve,

Then it's a pretty good bet that the amp is clean.  Just make sure you have 
a good ground.

Steve

----- Original Message ----- 
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, March 12, 2008 12:13
Subject: Re: Windom plus QRO equals RFI?


> Steve,
>
> Yeah, I agree with what you say.  And as John mentioned, the best way to
> find out is to put it up and see what happens.   What I've picked up third
> hand over the years is that the Windom, being off center fed, is  more 
> prone
> to feedline radiation and that a line isolator  can reduce this problem.
>
>
>
> I've been running a solid state amp (750 w pep max)  for 2 and a half 
> months
> with no problems in the shack, the house, and no complaints from the
> neighbors.  So I think the station is clean and the grounding is good.
>
> When the weather gets a little nicer and 160 gets to  noisy, I'll try the
> windom and  see what happens.
>
> 73, Steve KW3A h
>
>
> ----- Original Message ----- 
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, March 12, 2008 11:05 AM
> Subject: Re: Windom plus QRO equals RFI?
>
>
>> Steve,
>>
>> I wouldn't automatically blame the antenna for the RFI.  An improperly
>> tuned
>> or improperly grounded amplifier could also cause the problem.  It's also
>> possible that the equipment receiving the RFI might be poorly shielded,
>> poorly grounded, or all of the above.  RFI can be difficult to track 
>> down,
>> and it's all too easy to blame it on the wrong thing.
>>
>> Steve
>>
>> ----- Original Message ----- 
>> From: "steve" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Wednesday, March 12, 2008 09:42
>> Subject: Windom plus QRO equals RFI?
>>
>>
>>> Anyone used a Windom antenna running high power?   I've heard  third 
>>> hand
>>> stories that  claim  this combo  causes RFI problems.
>>>
>>> Last  spring I dropped my 160/80/40 shortened dipole and replaced it 
>>> with
>>> a
>>> 80-10 meter Windom.  While I lost 160, I picked up a few more resonant
>>> bands
>>> and much greater bandwidth on 80.  No problems with 100 watts.
>>>
>>> I put the 160/80/40 dipole back up in the fall to  get back on 160 this
>>> winter.  I'm thinking about doing the antenna swap again this spring, 
>>> but
>>> now am running a mid power amp and  wonder if the RFI stories are true.
>>> Any
>>> ideas?
>>>
>>> Steve KW3A
>>>
>>>
>>>
>>>
>>
>>
>>
>
>
>
> 

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