[Lowfer] Antenna re-worked at XSV

[Michael Sapp]

Neil: Imagine what you could do if you cooled it with liquid helium to get 
the monopole Vf down to .1 or so ~:)....Still hoping for a capture from your 
XSV station one of these days here in EN90.

73, Mike wa3tts


----- Original Message ----- 
From: "Neil Klagge" <lowfer.nklagge at gmail.com>
To: "Lowfer List" <lowfer at mailman.qth.net>
Sent: Monday, April 07, 2014 10:00 PM
Subject: [Lowfer] Antenna re-worked at XSV


> My "inverted L" (sort-of-like) antenna used to have a 60' top wire that
> drooped down from the 34' level on the vertical section to about a 20'
> height at the far end. In addition to that, I had turned the upper part of
> my 3 guy ropes into 15' top loading wires as well.
>
> The xyl did not like that 60' wire draped across the back yard, so I went
> back to my "LaPort" spreadsheet and did some recalculations and discovered
> that I could replace that eyesore 60' wire by simply increasing the top
> loading point by 5 feet on my MFJ2990 vertical.
>
> By raising the top loading "guy" wires from the 34' level, to the 39'
> level, I was able to even slightly INCREASE my radiation resistance,
> compared to what it was before.
>
> It is interesting to see how important it is to get as much vertical
> section as possible. For my situation, 5 vertical feet *more than* 
> replaced
> 60 horizontal feet. That's a 12 to 1 advantage to each vertical foot.
>
> And.....A happy wife means that I get more time on the radio....hi
>
> ;-)
>
> 73 Neil, wg2xsv
>
>
> *"I use the original form of social networking: Amateur Radio." *
> *(my ham radio sites are at 'w0yse.webs.com <http://w0yse.webs.com/>'  and
> 'wg2xsv.webs.com <http://wg2xsv.webs.com/>' )*
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