[Lowfer] Tree Experience

[Warren]

Bob,
      I visited with Bill about a year before he passed away - he had a wire 
antenna supported by the tree for RX, I also visited the site after his 
passing- same wire ant!
73 Warren

----- Original Message ----- 
From: <riese-k3djc at juno.com>
To: <lowfer at mailman.qth.net>
Sent: Friday, December 27, 2013 8:25 PM
Subject: Re: [Lowfer] Tree Experience


> Bill did experiment with the nail inna tree ,, I believe he passed around
> the time he was playing with it
> Bill was the big LOOPER guy and proved you could make/use a loop as a
> good restricted
> antenna for LF
> kinda miss Bill
>
> Bob K3DJC
>
> COn Fri, 27 Dec 2013 15:49:51 -0500 Warren K2ORS <k2ors at verizon.net>
> writes:
>> Jay, John,
>>
>>        I thought that Bill Ashlock's tree antenna was a random wire
>>
>> supported by a tree and fed with a 9:1 or 16:1 transformer?
>> This was his setup in Ellsworth,NH in any event...
>>
>>
>> 73 Warren
>>
>>
>> On 12/27/2013 3:23 PM, jrusgrove at comcast.net wrote:
>> > IIRC, Bill Ashlock was using a 'Tree Antenna' for receiving
>> lowfer
>> > stations many years back. Seemed like he got decent reception.
>> >
>> > Jay
>> >
>> >
>> >
>> >
>> > ----- Original Message ----- From: "JD" <listread at lwca.org>
>> > To: "Discussion of the Lowfer (US, European, &amp;UK) and MedFer
>> bands"
>> > <lowfer at mailman.qth.net>
>> > Sent: Friday, December 27, 2013 3:10 PM
>> > Subject: Re: [Lowfer] Tree Experience
>> >
>> >
>> >>>>> or is the relatively strong signal from the 50KW station also
>> >>>>> creating some level of   "ionic" non-linear conductivity
>> process
>> >>>>> within in the tree(s)---which then a portion thereof is
>> re-radiated
>> >>>>> or otherwise coupled to the e-probe?
>> >>
>> >> A much simpler explanation may involve the height of the trees.
>> >>
>> >> Although trees are highly resistive "antenna elements" by nature,
>> they
>> >> are still subject to resonance effects.  Their relatively large
>> >> diameter and their inherent capacitive loading mean that most any
>> full
>> >> grown tree can have a substantially different amount of
>> interaction
>> >> with a 2040 kHz EM wave than it does at 1020 kHz.  Not only the
>> height
>> >> of their trees, but also the spacing, will directly affect the
>> >> relative levels of carrier versus harmonic at any given point,
>> since
>> >> they can form a low-efficiency directional array of sorts.
>> >>
>> >> I was able to witness this effect first-hand at an AM station a
>> little
>> >> over 20 years ago, while trying to show the owners why they
>> needed to
>> >> deforest (no pun intended) the site to its early-1950s condition
>> if
>> >> they wanted the same coverage they had back when the station was
>> new.
>> >>
>> >> John
>> >> ______________________________________________________________
>>
>>
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