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[TowerTalk] Fwd: Fwd: Multiband antenna with non-resonant trap

To: towertalk@contesting.com
Subject: [TowerTalk] Fwd: Fwd: Multiband antenna with non-resonant trap
From: Hans Hammarquist <hanslg@aol.com>
Date: Sun, 26 May 2013 13:31:02 -0400 (EDT)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Thanks Roger,


Will check it when I get the chance.


Hans



-----Original Message-----
From: Roger D Johnson <n1rj@roadrunner.com>
To: Hans Hammarquist <hanslg@aol.com>
Sent: Sun, May 26, 2013 11:02 am
Subject: Re: [TowerTalk] Fwd:  Multiband antenna with non-resonant trap


Try this:

http://www.sevenforums.com/tutorials/316-compatibility-mode.html

Hans Hammarquist wrote:
> WinXP is a good choice. Unfortunately when you buy a new computer it is 
> loaded 
with "the latest" and I am not savvy enough to change it.
>
>
> I do remember an article in either QST or QEX with excellent explanations and 
example.
>
>
> My idea is to take a telescoping pool pole, usually divided in the middle or 
in two places, isolate the different sections and add a trap or two. Walmart 
sells the 12' ploes for $13/pcs and I figure I would have a nice vertical 
multiband that way.
>
>
> 73 de,
>
>
> Hans - N2JFS
>
>
>
> -----Original Message-----
> From: Roger D Johnson <n1rj@roadrunner.com>
> To: Hans Hammarquist <hanslg@aol.com>
> Sent: Sun, May 26, 2013 9:22 am
> Subject: Re: [TowerTalk] Multiband antenna with non-resonant trap
>
>
> Afraid not, Hans. I stuck with WinXP after reading of all the problems 
> with Win7
> running ham applications. You could download the free version of EZNEC and
> use that to design your antenna.
>
> 73, Roger
>
>
> Hans Hammarquist wrote:
>   
>> Hi Roger,
>>
>> Thanks for your reply. I can't, for whatever reason get the program to 
>> work on my computer. I believe I have Windows 7 (I am not sure how to 
>> check that) and that might be the problem.
>>
>> Any suggestion?
>>
>> 73 de,
>>
>> Hans - N2JFS
>>
>>
>> -----Original Message-----
>> From: Roger D Johnson <n1rj@roadrunner.com>
>> To: Hans Hammarquist <hanslg@aol.com>
>> Sent: Sun, May 26, 2013 7:45 am
>> Subject: Re: [TowerTalk] Multiband antenna with non-resonant trap
>>
>> Hi Hans...
>>
>> Here is the "NOTATRAP" program from G4FGQ. It should do what you
>> want.
>>
>> 73, Roger
>>
>> Hans Hammarquist wrote:
>>     
>>> This might be the wrong forum but does anyone remember an article in QST 
>>> (or 

>>>       
>
>   
>> maybe QEX) of how to make multibands antennas using LC traps where the traps 
>> resonance frequency is not at the operating frequencies. By putting an LC 
>> circuit somewhere in or close to the center of a vertical you get two 
>> resonances, one where the C-part act and increase the resonance and one 
>> where 

>> the L-part decreases the resonance frequency.
>>     
>>> Anyone?
>>>
>>>
>>> 73 de,
>>>
>>>
>>> Hans - N2JFS
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>>   
>>>       
>> -- 
>> Remember the Liberty (AGTR-5)
>> http://www.usslibertyveterans.org/
>> http://www.gtr5.com/
>>
>>     
>
>   

-- 
Remember the Liberty (AGTR-5)
http://www.usslibertyveterans.org/
http://www.gtr5.com/


 
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