[bars] Sat AM Zoom discussion of Off-Center-Fed Dipole (OCFD) and list of possible topics for other discussions or presentations

[Steven Schultz]

Thanks Guys,

In my attached file, I listed the YCCC Articles link which has Mike's Balun
presentation.
I did not see the OCFD presentation there.

Thank You Bob for providing the OCFD presentation.

My time with BARS did not go back to the days when these presentations were
made.
Would it be worthwhile to present material again?

Steve
AC1EX

On Sun, Dec 6, 2020 at 1:46 PM Bob Ravenstein <bobrav at msn.com> wrote:

> Jim
>
>
>
> I found this OCFD presentation on Power point with notes from Mike
>
>
>
> Bob
>
> W1FDR
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
>
> *From: *n1hts at comcast.net
> *Sent: *Sunday, December 6, 2020 1:35 PM
> *To: *Steven Schultz <steven.schultz.m at gmail.com>; w1hh <bars at w1hh.org>
> *Subject: *Re: [bars] Sat AM Zoom discussion of Off-Center-Fed Dipole
> (OCFD) and list of possible topics for other discussions or presentations
>
>
>
> Attached is N1IW's (SK) balun presentation he did at BARS.
>
> I can't find his OCFD presentation so if someone has that
>
> they can post it as well. We did a balun building BARS meeting
>
> for the 4:1 current balun and folks put up their OCF dipoles.
>
> Of course Mike's balun is for legal limit power. I believe N1ALO
>
> built a smaller version for 100 watts and is using it.
>
>
>
> All good info Steve.
>
>
>
> jim
>
>
>
> On 12/05/2020 9:53 PM Steven Schultz <steven.schultz.m at gmail.com> wrote:
>
>
>
>
>
> Hello BARS,
>
>
>
> The Sat AM Zoom meeting today got into a discussion about Off-Center-Fed
> Dipoles (OCFDs).  This topic raised my interest in discussing or presenting
> topics such as:
>
>
>
> Transmission Line Transformers
>
> Balun/Unun Construction
>
> Modeling Dipoles and Off-Center-Fed Dipoles with 4nec2 or EZNEC
>
> Off-Center-Fed Dipole Variations
>
> Feeding Off-Center-Fed Dipoles
>
> LTspice, a graphical SPICE tool from Linear Technology and Analog Devices
>
>
>
> Both 4nec2 and LTspice are free.
>
>
>
> I do not proclaim to be an expert on these topics, but over time, I have
> gained some worthwhile experience with them.
>
>
>
> What follows here are my comments about one kind of feed point mechanism
> for a particular OCFD.  I then discuss some other feed point mechanisms for
> some other configurations of the OCFD.
>
>
>
> Read on if you wish.  Feel free to pass along your comments to me about
> either this prelude or the discussion in the attached file.
>
>
>
> 73’s,
>
> Steve Schultz
>
> AC1EX
>
> BARS, Philips ARC, and MGEF
>
> steven.m.schultz at ieee.org
>
>
>
>
>
> _______________________________________________
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> http://mail.w1hh.org/mailman/listinfo/bars_w1hh.org
>
>
>
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