>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 http://explorer.msn.com/intl.asp
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
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
|