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Re: [TowerTalk] Topband: Inverted L Tuning Question

To: RLVZ@aol.com
Subject: Re: [TowerTalk] Topband: Inverted L Tuning Question
From: Ken Brown <ken.d.brown@hawaiiantel.net>
Reply-to: ken.d.brown@hawaiiantel.net
Date: Thu, 04 Dec 2008 19:23:42 -1000
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Interaction  with the tower and beam may be changing the real SWR, or 
your instrument may be getting more RF from a near by MWBC station and 
giving you bad readings when the tower is connected. You may be getting 
incorrect readings in both cases due to strong field from MWBC.
>
> I'm trying to set up a 160-m. Inverted L 
>
> 1) With the coax braid connected to the tower base which has two 8' ground 
> rods: lowest SWR is 3.9 at 1.776 Mhz and Z = 79.
>
> 2) With coax braid only connected to the two radials (and not the tower 
> base): lowest SWR is 1.62 at 1.614 Mhz and Z = 81.
>
>
>   

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