Hi Tom,  I took my G5RV and put the top and the bottom 3 feet away from the 
metal tower.  I found it does make difference.  The stand-offs were 2 inch 
PVC with a pulley at the top.  Gary KB2YAA
----- Original Message ----- 
From: "T Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, December 20, 2007 4:11 PM
Subject: g5rv question


> Hi, all.
>
> Well, I hope I'm among friends here, because I have what probably is a 
> very
> elementary question about a G5RV HF antenna.
>
> I currently have a 102-foot G5RV antenna here at the home qth.  The center
> of the antenna is at the top of a 35-foot tower which contains my KLM
> tri-bander and a 6-meter vertical that is mounted on a "stand off" from 
> the
> tower.
>
> I originally had the antenna so that the ladder-line vertically came down
> the tower from the centerpoint, and then was connected to a coax feedline
> that went into the shack.
>
> Earlier this Fall, someone suggested that my ladder line shouldn't be so
> close to the tower and vertical like that, and suggested that it be much
> further away from the tower.  So, he took the ladder line and basically 
> made
> it run horizontally from the tower over to an anchor point on the house.
>
> Being that I was so busy with professional stuff this Fall semester, I 
> never
> really tried the antenna, but now I'm noticing that, even though it seems 
> to
> do well on 20 meters (SWR no more than 2.0 to 1 across the entire band), 
> it
> won't tune at all on 40 or 80 meters.  The sWR's are either at least 8 to 
> 1,
> or so high that my Remy Simared talking SWR meter won't even give a 
> reading.
>
> I'll have my XYL do a visual on the antenna as soon as possible, but,
> barring any obvious mechanical problem with the antenna, could someone
> suggest what the problem might be?
>
> Is the horizontal configuration of the ladder line what likely is throwing
> things off so much here?
>
> I know this is probably a very elementary question, but it concerns me 
> since
> my G5RV was always one of my best HF antennas, especially for 40 meters.
>
> 73 from Tom Behler:  KB8TYJ
>
>
>
>
> -- 
> Internal Virus Database is out-of-date.
> Checked by AVG Free Edition.
> Version: 7.5.486 / Virus Database: 269.16.17/1179 - Release Date: 
> 12/9/2007 11:06 AM
>
>