<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Good eyes for spotting the dual jumpers John! I kept two in place while soldering (for alignment). Hopefully it will work, a 10MHz signal from my tinySA seemed to suggest it does. The Bodnar GPSDO is supposed to be here today so I should find out for real. -David KE8QEP<div class=""><br class=""><div class="">
<div class="">David A. Waugh, Ph.D.<br class="">Research Assistant<br class="">Department of Anatomy and Neurobiology<br class="">NEOMED<br class="">4209 State Route 44<br class="">Rootstown, OH 44272</div>
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<div><br class=""><blockquote type="cite" class=""><div class="">On Jun 22, 2021, at 12:42 PM, John Gibbons <<a href="mailto:jcg66@case.edu" class="">jcg66@case.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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David,</div>
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You should only have one jumper in place to select the correct band filter.</div>
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You have both the 2.5 and 10 MHZ bandpass filters selected - your signal is going to be horribly attenuated.</div>
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Nice soldering job!</div>
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John N8OBJ</div>
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<div class="">John C. Gibbons<br class="">
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Director - Sears Undergraduate Design Laboratory<br class="">
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Dept. of Electrical Engineering and Computer Science</div>
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Case Western Reserve University <br class="">
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<div class="">10900 Euclid Ave, <span style="font-size:12.8px" class="">Glennan 321</span><span style="font-family: Helvetica; font-size: 12.8px;" class=""><br class="">
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<div class=""><span style="font-family: Helvetica; font-size: 12.8px;" class="">Cleveland, Ohio 44106-7071</span><br style="font-family: Helvetica; font-size: 12.8px;" class="">
<span style="font-family: Helvetica; font-size: 12.8px;" class="">Phone </span><a href="tel:216-368-2816" value="+12163684572" style="color:rgb(17,85,204);font-family:Helvetica;font-size:12.8px" target="_blank" class="">(216) 368-2816</a><span style="font-family: Helvetica; font-size: 12.8px;" class=""> FAX </span><a href="tel:216-368-6888" value="+12163686888" style="color:rgb(17,85,204);font-family:Helvetica;font-size:12.8px" target="_blank" class="">(216)
368-6888</a><br style="font-family: Helvetica; font-size: 12.8px;" class="">
<span style="font-family: Helvetica; font-size: 12.8px;" class="">E-mail: </span>
<a href="mailto:jcg66@case.edu" style="color:rgb(17,85,204);font-family:Helvetica;font-size:12.8px" target="_blank" class="">jcg66@case.edu</a><br style="font-family: Helvetica; font-size: 12.8px;" class="">
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<div dir="ltr" class="gmail_attr">On Fri, Jun 18, 2021 at 2:36 PM David Waugh via TangerineSDR <<a href="mailto:tangerinesdr@lists.tapr.org" class="">tangerinesdr@lists.tapr.org</a>> wrote:<br class="">
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<div style="word-wrap:break-word;line-break:after-white-space" class="">I wanted to reintroduce myself to the group. I finished building the Grape ver. 1, but am waiting for the GPS oscillator to arrive so I can test it. I am also very interested in the magnetometer.At
last week’s TangerineSDR zoom meeting I asked about availability of the magnetometer board and It sounds like there are not many of the boards still around, but a few people mentioned they might have some spares. If there is a board to spare, I would be more
than willing to pay for the board, shipping etc. I live in a suburban neighborhood, and I assume there will be local influence from large trucks passing etc., but I would guess that some of those things can be filtered out and that some useful data can be
produced. I did ordered the magnetometer module (RM3100) before realizing there was a shortage of boards (I guess I was too excited).Thanks, David KE8QEP
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<div class="">David A. Waugh, Ph.D.<br class="">
Research Assistant<br class="">
Department of Anatomy and Neurobiology<br class="">
NEOMED<br class="">
4209 State Route 44<br class="">
Rootstown, OH 44272</div>
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