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[TowerTalk] finding resonant frequency of a shunt-fed tower for 160

To: <towertalk@contesting.com>
Subject: [TowerTalk] finding resonant frequency of a shunt-fed tower for 160
From: FireBrick" <w9ol@billnjudy.com (FireBrick)
Date: Wed, 1 Aug 2001 06:43:29 -0500
No, iron filings only grow to be Ironwood Trees. Great for hanging wire
antennas but a bear to install a yagi into.
What you need is Beanstalk seeds. Tall, straight, climbable and as high as
you want it to be.


----- Original Message -----
From: "EUGENE SMAR" <SPELUNK.SUENO@prodigy.net>
To: "Rick Bullon" <kc5ajx@hotmail.com>; <towertalk@contesting.com>
Sent: Wednesday, August 01, 2001 6:26 AM
Subject: Re: [TowerTalk] finding resonant frequency of a shunt-fed tower for
160


>
> TT:
>
>      I also read somewhere in the long-ago that if you planted iron
filings,
> you could grow a batch of 130-foot towers!  Wish I would have remembered
> this earlier in the planting season.
>
> 73 de
> Gene Smar  AD3F
> -----Original Message-----
> From: Rick Bullon <kc5ajx@hotmail.com>
> To: towertalk@contesting.com <towertalk@contesting.com>
To: <towertalk@contesting.com>
> Date: Wednesday, August 01, 2001 1:07 AM
> Subject: Re: [TowerTalk] finding resonant frequency of a shunt-fed tower
for
> 160
>
>
> >
> >
> >
> >
> >>From: "Guy Olinger, K2AV" <k2av@contesting.com>
> >>To: "WA9ALS - John" <wa9als@starband.net>,   "TowerTalk"
> >><towertalk@contesting.com>
> >>Subject: Re: [TowerTalk] finding resonant frequency of a shunt-fed tower
> >>for 160
To: <towertalk@contesting.com>
> >>Date: Tue, 31 Jul 2001 00:31:52 -0400
> >>
> >>
> >>I modeled that with the following assumption: that I would ground the 20
> >>meter ref and dir (only) to the boom which is grounded to the mast and
> >>then to the tower . This places the voltage peak out at the end of the
> >>longest and highest elements. That up 13 feet on a mast atop an 80 foot
> >>Trylon self standing tower models to a resonant frequency around 1.7
> >>MHz. I suspect in practice it will be lower than that, say ~1.6 MHz.
> >>
> >>Based upon that I'm going to bury a lot of copper around the Trylon,
> >>load it on 160 and deal with what crops  up.
> >>
> >>-----------------
> >>
> >>Guy Olinger
> >>Apex, NC, USA
> >>
> >Guy
> >I have buried lots of copper around here but I have never gotten a crop
> from
> >it.
> >I think there is a guy on here that claims to grow aluminum though. Can't
> >get that stuff to grow here either :)
> >73
> >Rick
> >KC5AJX
> >
> >_________________________________________________________________
> >Get your FREE download of MSN Explorer at
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> >
> >
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> >
> >-----
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> >
>
>
> List Sponsored by AN Wireless:  AN Wireless handles Rohn tower systems,
> Trylon Titan towers, coax, hardline and more. Also check out our self
> supporting towers up to 96 feet for under $1500!!
http://www.anwireless.com
>
> -----
> FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
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>
>


List Sponsored by AN Wireless:  AN Wireless handles Rohn tower systems,
Trylon Titan towers, coax, hardline and more. Also check out our self
supporting towers up to 96 feet for under $1500!!  http://www.anwireless.com

-----
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