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<p><font size="4">They did. They use NEC4 (if I remember
correctly). It is just classic array physics - just big at
these frequencies. The physics is the same for the nifty flat
panel radar arrays or curtain dipole arrays like we use in HF
broadcasting. They just have some very cool software to change
the transmitter exciters to provide beam steering, circular
polarization, and lots of other cool stuff. Each dipole has its
own transmitter. 180 cross dipoles with 360 10 kW
transmitters. </font><br>
</p>
<pre class="moz-signature" cols="72">Stephen S. Lockwood, P.E., PMP, President
Hatfield & Dawson Consulting Engineers
9500 Greenwood Ave N, Seattle, WA 98103
Phone 206 783 9151 ext 562 - Mobile 206 399 9440 - <a class="moz-txt-link-abbreviated" href="http://www.hatdaw.com">www.hatdaw.com</a></pre>
<div class="moz-cite-prefix">On 7/30/2024 9:44 AM, Pearson, Ron
wrote:<br>
</div>
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<p class="MsoNormal"><span style="font-size:11.0pt">Hello
Stephen,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Was it
awesome, did they go over finite element (MOM) models and
programming on how the array was built and modeled and the
conceptual motivation for the design?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thank you </span><span
style="font-size:11.0pt;font-family:"Segoe UI Emoji",sans-serif">😊</span><span
style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Ron<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div>
<div
style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">
SBE-89-alaska
<a class="moz-txt-link-rfc2396E" href="mailto:sbe-89-alaska-bounces@sea.sbe16.org"><sbe-89-alaska-bounces@sea.sbe16.org></a>
<b>On Behalf Of </b>Stephen Lockwood via SBE-89-alaska<br>
<b>Sent:</b> Wednesday, July 24, 2024 7:11 AM<br>
<b>To:</b> Pierre Lonewolf <a class="moz-txt-link-rfc2396E" href="mailto:lonewolf@otz.net"><lonewolf@otz.net></a>; SBE
Chapter 89 Alaska <a class="moz-txt-link-rfc2396E" href="mailto:sbe-89-alaska@sea.sbe16.org"><sbe-89-alaska@sea.sbe16.org></a><br>
<b>Subject:</b> [EXTERNAL] Re: [SBE-89-Alaska] HARRP<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">Did you find
a ride?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Stephen Lockwood <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">On Jul 21, 2024, at 19:41, Pierre
Lonewolf via SBE-89-alaska <<a
href="mailto:sbe-89-alaska@sea.sbe16.org" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">sbe-89-alaska@sea.sbe16.org</a>>
wrote:
<o:p></o:p></p>
<blockquote
style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<pre style="margin-bottom:12.0pt">Is anyone from Anchorage driving to the HARRP tour? I finally looked at the map and why am I going to Fairbanks!?
Pierre Lonewolf
PO Box 983
393B Whittier Street
Kotzebue, Alaska 99753-0983
19074120859 cell
19074423603 fax
<a href="mailto:Lonewolf@otz.net" moz-do-not-send="true"
class="moz-txt-link-freetext">Lonewolf@otz.net</a>
<a href="mailto:Plonewolf55@gmail.com" moz-do-not-send="true"
class="moz-txt-link-freetext">Plonewolf55@gmail.com</a>
<o:p></o:p></pre>
<pre style="text-align:center"><hr width="100%" size="2"
align="center"></pre>
<pre>
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