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RE: [BULK] - Re: [TowerTalk] verticals in woods vs. in a field

To: 'Tom Rauch' <w8ji@contesting.com>, Jim Lux <jimlux@earthlink.net>
Subject: RE: [BULK] - Re: [TowerTalk] verticals in woods vs. in a field
From: Steve Katz <stevek@jmr.com>
Date: Thu, 16 Sep 2004 11:23:27 -0700
List-post: <mailto:towertalk@contesting.com>


> It would indeed. For all the interest in this, I'm really
> surprised no one has made any meaningful measurements. It is
> a very common question, and all we have for answers are wild
> guesses. Whoever does this and does this correctly would
> really be contributing a great deal towards answering a
> common question.
> 
> 73 Tom
> 
> --But, what is the question?  Is the question whether trees are conductive
> enough to be antennas?  Or whether they're conductive enough to be
> reflective?  Or whether they're absorptive?  And at what frequency?
> Wouldn't one expect these properties would change vs. frequency?  The old
> (1950-ish) RCA "Foliage Attenuation for Mid-Latitude Forests" work which
> is referenced pretty often (and I have a copy of it, somewhere) indicated
> foliage attenuation varied a lot with frequency and got really bad at UHF
> -- while being almost irrelevant at HF, in the same forest.  I don't
> recall ever reading a quantitative work by anybody after that old RCA
> study...  -WB2WIK/6
> 
> 
> 
> 
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