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Re: [TowerTalk] trees and verticals

Subject: Re: [TowerTalk] trees and verticals
From: K8RI <>
Date: Wed, 28 Dec 2011 17:09:45 -0500
List-post: <">>
On 12/28/2011 12:26 PM, Roger Parsons wrote:
> Jim Lux wrote:
> "You're describing the difference between the near field (wooden element
> in Yagi) and far field (propagating through a box)."
> Not really. The box could be in the near field or the far field (I know
> it would then be quite a big box:-), and it would still attenuate the
> signal received from the antenna at a distant point.

Probably not if it were made of dry wood.  If really close to the 
antenna it would behave much like the plastic insulation/dielectric on a 
wire requiring the wire/antenna to be shortened a bit, but I doubt you'd 
be able to measure any attenuation


Roger (K8RI)


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