I have DB 664 (VHF) clamped directly to a tower leg with all elements 
facing one direction and it works nearly as well off the back side range 
wise.

I think you will have to go with a real corner reflector to knock it 
down any noticeable amount.  Experiment away and let us know your findings.

tom

Dan Hancock wrote:
>
>
> I have a repeater that I need to have as tight a cardiod pattern as 
> possible. I have looked at the dipole antennas such as the DB-411 and 
> they don't really shut down the back door quite enough.
> Does anyone have any antenna modeling software that would show the 
> result of adding an 18" wide screen to the back side of the mast on 
> the DB-411? Does anyone have any experience in home-brewing a 
> modification like this?
>
> Dan Hancock N8DJP
>
>
>
>
> 
> ------------------------------------------------------------------------
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com 
> Version: 8.5.425 / Virus Database: 270.14.73/2513 - Release Date: 11/19/09 
> 07:51:00
>
>   

Reply via email to