<div dir="ltr">Stratospheric... atmospheric... ionospheric... anodes... cathodes... electrodes... overloads.... generators.... oscillators....<br><br>it all starts to run together. :+)<br><br>This technique is good to know in case we need to bring it to heel.<br><br>I'm not afraid of the work. We just need to know what must be done. <br><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr">-Michelle W5NYV<br><div dir="ltr"><br></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 23, 2020 at 2:02 PM KENT BRITAIN <<a href="mailto:wa5vjb@flash.net">wa5vjb@flash.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px"><div></div>
<div dir="ltr">Woops, the speal cheeker program got me. Atmospheric Bending</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div><br></div>
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On Monday, March 23, 2020, 4:00:46 PM CDT, KENT BRITAIN via Ground-Station <ground-station@lists.openresearch.institute> wrote:
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<div dir="ltr">Good info, I have seen 1.5 deg difference between the Calculated/Optical position of</div><div dir="ltr">the moon and the Radio moon. The problem is stratospheric bending.</div><div dir="ltr">I once asked Tom W3IWI how they dealt with this on the big dishes.</div><div dir="ltr">"We track 4 Quasars Horizon to Horizon then do lease squares best fit.</div><div dir="ltr"> Our tracking programs also allow for Barometric Pressure, Air Temp, and Humidity"</div><div dir="ltr"><br clear="none"></div><div dir="ltr">For a 6 footer, this bending should be a non issue above 40 deg or so.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Kent<br clear="none"></div><div dir="ltr"><br clear="none"></div><div dir="ltr"><br clear="none"></div><div><br clear="none"></div>
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On Monday, March 23, 2020, 3:51:30 PM CDT, Michelle Thompson <<a href="mailto:mountain.michelle@gmail.com" target="_blank">mountain.michelle@gmail.com</a>> wrote:
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<div><div id="gmail-m_-3222335859972757897ydp7982f1aayiv6626066910ydp75466a52yiv7078471957"><div><div dir="ltr">We baseline a 2m dish for the JAMSAT/ORI effort. <br clear="none"><br clear="none">I assume this will be about 45dB of gain with the usual dish efficiency losses, and will give a 1 degree 3dB beamwidth.<br clear="none"><br clear="all"><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr">-Michelle W5NYV<br clear="none"><br clear="none"><div dir="ltr"><br clear="none"></div></div></div></div></div></div></div></div></div><br clear="none"></div><br clear="none"><div id="gmail-m_-3222335859972757897ydp7982f1aayiv6626066910ydp75466a52yiv7078471957yqt34089"><div><div dir="ltr">On Mon, Mar 23, 2020 at 1:17 PM KENT BRITAIN via Ground-Station <ground-station@lists.openresearch.institute> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div dir="ltr"><div></div><div>Back to my original question, what gain are you designing around for the</div><div dir="ltr">ground station antenna? <br clear="none"></div><div id="gmail-m_-3222335859972757897ydp7982f1aayiv6626066910ydp75466a52yiv7078471957gmail-m_1790909081151165456ydpe21cd0f2yiv3806905496ydp91b4a5bfyiv6360139489"><div id="gmail-m_-3222335859972757897ydp7982f1aayiv6626066910ydp75466a52yiv7078471957gmail-m_1790909081151165456ydpe21cd0f2yiv3806905496ydp91b4a5bfyiv6360139489yqt93800"><div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div><div><div><div><div><div><div><div><div><div><div>
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