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<p class="MsoNormal">Jim</p>
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<p class="MsoNormal">I found this OCFD presentation on Power point with notes from Mike</p>
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<p class="MsoNormal">Bob</p>
<p class="MsoNormal">W1FDR</p>
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<p class="MsoNormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">
Mail</a> for Windows 10</p>
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<p class="MsoNormal" style="border:none;padding:0in"><b>From: </b><a href="mailto:n1hts@comcast.net">n1hts@comcast.net</a><br>
<b>Sent: </b>Sunday, December 6, 2020 1:35 PM<br>
<b>To: </b><a href="mailto:steven.schultz.m@gmail.com">Steven Schultz</a>; <a href="mailto:bars@w1hh.org">
w1hh</a><br>
<b>Subject: </b>Re: [bars] Sat AM Zoom discussion of Off-Center-Fed Dipole (OCFD) and list of possible topics for other discussions or presentations</p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">Attached is N1IW's (SK) balun presentation he did at BARS.
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">I can't find his OCFD presentation so if someone has that
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">they can post it as well. We did a balun building BARS meeting
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">for the 4:1 current balun and folks put up their OCF dipoles.
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">Of course Mike's balun is for legal limit power. I believe N1ALO
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">built a smaller version for 100 watts and is using it.
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">All good info Steve.
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:#333333">jim
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<p class="MsoNormal">On 12/05/2020 9:53 PM Steven Schultz <steven.schultz.m@gmail.com> wrote:
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<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Hello BARS,</span></p>
<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif"> </span></p>
<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">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:</span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif"> </span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Transmission Line Transformers </span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Balun/Unun Construction </span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Modeling Dipoles and Off-Center-Fed Dipoles with 4nec2 or EZNEC</span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Off-Center-Fed Dipole Variations </span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Feeding Off-Center-Fed Dipoles</span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">LTspice, a graphical SPICE tool from Linear Technology and Analog Devices</span></p>
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<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Both 4nec2 and LTspice are free.</span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif"> </span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">I do not proclaim to be an expert on these topics, but over time, I have gained some worthwhile experience with them.</span></p>
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<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">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.</span></p>
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<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">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.</span></p>
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<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">73’s,</span></p>
<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">Steve Schultz</span></p>
<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">AC1EX</span></p>
<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif">BARS, Philips ARC, and MGEF</span></p>
<p class="MsoNormal" style="margin-bottom:4.0pt"><span style="font-size:18.0pt;font-family:"Times New Roman",serif"><a href="mailto:steven.m.schultz@ieee.org">steven.m.schultz@ieee.org</a></span></p>
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_______________________________________________ <br>
bars mailing list <br>
bars@w1hh.org <br>
http://mail.w1hh.org/mailman/listinfo/bars_w1hh.org <o:p></o:p></p>
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