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Hi Dave and Hyomin,<br>
<br>
Please include me on any side discussions of the magnetometer.<br>
<br>
Thank you,<br>
<br>
David McGaw N1HAC<br>
<br>
<div class="moz-cite-prefix">On 7/7/20 11:11 AM, Dr. Nathaniel A.
Frissell Ph.D. via TangerineSDR wrote:<br>
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<p class="MsoNormal">Hi Hyomin and Dave,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This all sounds very good. Dave KV0S also
gave us an update last night at TangerineSDR Zoom. I’m looking
forward to this!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">73 de Nathaniel W2NAF<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> TangerineSDR
<a class="moz-txt-link-rfc2396E" href="mailto:tangerinesdr-bounces@lists.tapr.org"><tangerinesdr-bounces@lists.tapr.org></a>
<b>On Behalf Of </b>Kim, Hyomin via TangerineSDR<br>
<b>Sent:</b> Tuesday, July 7, 2020 10:55 AM<br>
<b>To:</b> TAPR TangerineSDR Modular Software Defined Radio
<a class="moz-txt-link-rfc2396E" href="mailto:tangerinesdr@lists.tapr.org"><tangerinesdr@lists.tapr.org></a><br>
<b>Cc:</b> Kim, Hyomin <a class="moz-txt-link-rfc2396E" href="mailto:hmkim@njit.edu"><hmkim@njit.edu></a>; David Witten
<a class="moz-txt-link-rfc2396E" href="mailto:wittend@wwrinc.com"><wittend@wwrinc.com></a><br>
<b>Subject:</b> Re: [TangerineSDR] Magnetometer testing<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Dave - thanks for the update.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">As Dave mentioned, our prototype
magnetometer has been deployed at Jenny Jump. I am
expecting to receive data that have been obtained for the
past week. The data will be compared with the data from a
science magnetometer that is co-located there. I will
determine what further testing should be done after the
data are examined. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hyomin<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.njit.edu%2F&data=02%7C01%7CDavid.G.McGaw%40dartmouth.edu%7Cc7548134f73d4e2ecb4908d82288229d%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C637297315391158515&sdata=LCgwPYYqRFBOBLic%2FS2ld2N7dwSW5sxEJE93UdAR8Hg%3D&reserved=0" originalsrc="https://www.njit.edu/" shash="LgK0rJrIexpi7nmp42C4ZN2/Hs60OD6qBzrGMaUJH+6hiXoaONUr1Gxyve3Zj1fMI/OjiMgMMm/gSvyKza8i6BdFlFPTBhXpsY5vWg0e+hLcb6Z0weeufX4EAODM1An2hi6p46OKGnRmKbYtddDfnMEq8aTy8usgKi6MustCI+4=" target="_blank" moz-do-not-send="true"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#337AB7;text-decoration:none"><img style="width:1.5625in;height:.625in" id="_x0000_i1025" src="https://assets.njit.edu/uicomponents/NJIT-email-logo.png" alt="NJIT logo" moz-do-not-send="true" width="150" height="60" border="0"></span></a><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:red"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><strong><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#6F6F6F">Hyomin
Kim</span></strong><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#232636"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#6F6F6F">Assistant
Professor</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#232636"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#6F6F6F">Physics<br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#666666">Center
for Solar-Terrestrial Research<br>
Institute for Space Weather
Sciences</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#232636"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#666666"><a href="mailto:hmkim@njit.edu" target="_blank" moz-do-not-send="true">hmkim@njit.edu</a> • (973) 596-5704<br>
<a href="https://nam12.safelinks.protection.outlook.com/?url=https:%2F%2Fweb.njit.edu%2F~hmkim%2F&data=02%7C01%7CDavid.G.McGaw%40dartmouth.edu%7Cc7548134f73d4e2ecb4908d82288229d%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C637297315391168517&sdata=%2BE%2B8VdEP7ca4skjB8Q2RVqZA8%2FIS7FJjcVZo6qO%2BhYQ%3D&reserved=0" originalsrc="https://web.njit.edu/~hmkim/" shash="XkFViTdHSlMHSovz9u6R+XJQ/7L8/HbI+Gisk/n912G6IyZ0f+3nlgoyBZWUoF6zZoILdNvXudQrSnUHoKxRug4+q8HjPL8prs/hzEMSimQfQ2S48TPSrsqyR8iQjmuHFinp5Odsc3Y8L1mA9vjR7dwEcbO0ejShp3uOSOvPhhM=" target="_blank" moz-do-not-send="true">https://web.njit.edu/~hmkim/</a><br>
104 Tiernan Hall, 161 Warren
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Jul 7, 2020 at 10:44 AM David
Witten via TangerineSDR <<a href="mailto:tangerinesdr@lists.tapr.org" moz-do-not-send="true">tangerinesdr@lists.tapr.org</a>>
wrote:<o:p></o:p></p>
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<p class="MsoNormal">Regarding the discussion 07/07/2020
about the status of the magnetometer performance:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The prototype hardware seems to be
working as expected. From an electro-mechanical point
of view, the behavior meets or exceeds the
requirements laid down for the project at the time of
design.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am much less clear that the
characterization of the sensor has been completed.
Hyomin, David McGraw, John Gibbons and others have
said that they were planning to evaluate the
sensitivity and other performance parameters. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">While offhand comments from Hyomin
Kim and Julius Madey have led me to believe that the
numbers reported by the sensor are 'in the right
ballpark', I have heard no verdict on how good (or
otherwise) they are.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hyomin has deployed the sensor at
Jenny Jump, but I'm not certain what his ongoing
evaluation plan is.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If Scottie's production of his
'official' TangerineSDR magnetometer design is waiting
on sensor characterization, the verdict is still
out. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">So proceed at your own risk.<o:p></o:p></p>
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<p class="MsoNormal">-- <br>
TangerineSDR mailing list<br>
<a href="mailto:TangerineSDR@lists.tapr.org" target="_blank" moz-do-not-send="true">TangerineSDR@lists.tapr.org</a><br>
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