Date:         Tue, 25 May 2004 14:05:34 -0400
Reply-To:     David Brodbeck <gull@GULL.US>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Brodbeck <gull@GULL.US>
Subject:      Re: Non-VC, TDI TriStar weekend report!
Comments: To: David Marshall <vanagon@VOLKSWAGEN.ORG>
In-Reply-To:  <AIEFIGCNNANNIHLNFBPEOEEPMEAA.vanagon@volkswagen.org>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Tue, 25 May 2004, David Marshall wrote:

> This was a disappointing setback for me.  Installed in the TriStar is an
> Alinco DX-70 with an SGC 237 antenna tuner match to a military AS/1729
> antenna system.  I am suffering from big time RF feed back in the 12 / 11 /
> 10m bands - to the point where if I key the mic, the wipers would sometimes
> click on!  In the lower bands down to 14Mhz there was less feed back but
> still some issues.  Everything is grounded with some FAT ground wires so I
> guess I will have to play around with the position of the antenna tuner in
> the setup.

If you haven't already, you should locate the tuner as close as possible
to the antenna.  The coax between the tuner and antenna is going to
radiate pretty strongly, especially if you don't have a choke or balun to
prevent current from flowing on the shield.


David Brodbeck, N8SRE
'86 Volvo 240DL wagon
'82 VW Vanagon Westfalia Diesel