[TowerTalk] Trees and Verticals

[K8RI]

On 12/28/2011 7:32 PM, David Gilbert wrote:
> Well, I can say with pretty good assurance that a wooden pole, wet or
> dry, doesn't affect the currents flowing through a surrounding aluminum
> tube.  The currents in the aluminum tube flow on the outside of it.

I would think the tree on the inside would act like a leaky capacitor to 
ground.

73

Roger (K8RI)
>
> Whether or not a tree surrounded by a cage of wires an appreciable
> portion of a wavelength long behaves the same way depends, I guess, upon
> how well the cage of wires actually approximates a tube.  Why don't you
> model it as Jim Lux suggested and let us know?  If it acts like a tube
> it would likely be pretty efficient in spite of what I stated earlier.
>
> Dave   AB7E
>
>
>
>
> On 12/28/2011 2:14 PM, Dan Schaaf wrote:
>> Let's go a step further,
>> What happens if you put a dry wooden broomstick down the center of an
>> aluminum tube vertical.
>> Then a wet Broomstick.
>>
>> Best Regards
>> Dan Schaaf
>> K3ZXL www.k3zxl.com
>>
>> "Problems cannot be solved by the same level of thinking that created
>> them." - Albert Einstein
>>
>>
>> ----- Original Message -----
>> From: "David Gilbert"<xdavid at cis-broadband.com>
>> To:<towertalk at contesting.com>
>> Sent: Wednesday, December 28, 2011 4:05 PM
>> Subject: Re: [TowerTalk] Trees and Verticals
>>
>>
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