[TowerTalk] Any BN-86 Balun Replacement Suggestions? - TYPE-O

Eric - VE3GSI ve3gsi at sympatico.ca
Tue Apr 8 12:58:10 EDT 2008


SWR - Meant 2.1:1 

Thanks Jim for waking me up........



> -----Original Message-----
> From: towertalk-bounces at contesting.com
> Sent: April 8, 2008 12:08 PM
> To: Towertalk e-Goups
> Subject: [TowerTalk] Any BN-86 Balun Replacement Suggestions?
> 
> 
> TT Gang,
>  
> It looks like my BN-86 Balun used on a TH7-DX beam is giving 
> me grief. The antenna was assembled to use the DX or lower 
> portions of the bands. The SWR measurements are good on 20 
> meters, but on 15 and 10 meters the SWR is 1.2:1 on the CW 
> portion of the band. After doing some basic research and 
> talking with a friend we have come to the conclusion the 
> Balun may be causing my SWR problems. I am considering a new 
> Balun for as a replacement from DX Engineering. DXE have 
> several models to choose from so I will have to wade through 
> the details, but several obvious questions come up. 
>  
> How do you mount these Baluns on a beam and is the ground 
> strap still required for beam mounting or does one 'float' 
> the Balun electrical ground? 
>  
> Which DXE Balun model works best on the THY antenna?
>  
> Are there other Baluns I should consider for using with the 
> TH7 antenna?
>  
> Thanks gang,
> Eric - VE3GSI
>  
>  
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