[TowerTalk] ground screen for new lawn

[Charles H. Harpole]

Help me here, but if grnd screen has no effect on HF Yagis, then why is
height above gnd important to Yagis ?  de K4VUD

On Mon, 26 May 1997, T. A. Russell wrote:

> Two things come to mind:
> 
> First, a ground screen does nothing for HF Yagi's (for two reasons)
> 
> 	a - A Yagi has a NULL straight up and straight down
> 	
> 	b - The GROUND  REFLECTION point is hundreds of feet from the
> tower
> 
> Second, a ground screen WILL benefit any VERTICALLY polarized antenna on
> or around the tower, but may rust out in a few years.  My galvanized
> electric
> fence wire radials were heavily rusted in 3 to 5 years.  The ground
> reflection
> from your quarter wave slopers is likely to be beyond the range of your
> screen.
> A shunt fed tower for 160M would benefit from the ground screen.
> 
> de Tom N4KG
> 
> 
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