<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Perhaps you could rephrase the question to the T-pad operator and ask her if she has a log of activities that have been going on in the building closest to our observatory building.</div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><span style="font-family:arial,sans-serif">Carol</span><br style="font-family:arial,sans-serif"><br style="font-family:arial,sans-serif">
<span style="font-family:arial,sans-serif">Carol A. Finn</span><br style="font-family:arial,sans-serif"><span style="font-family:arial,sans-serif">Geomagnetism Group Leader</span><br style="font-family:arial,sans-serif">
<span style="font-family:arial,sans-serif">USGS/Geologic Hazards Science Center</span><br style="font-family:arial,sans-serif"><span style="font-family:arial,sans-serif">PO Box 25046, MS 966</span><br style="font-family:arial,sans-serif">
<span style="font-family:arial,sans-serif">Denver, CO 80225</span><br style="font-family:arial,sans-serif"><span style="font-family:arial,sans-serif">Tel: 303-273-8475</span><br style="font-family:arial,sans-serif">
<span style="font-family:arial,sans-serif">Fax: 303-273-8506</span><br style="font-family:arial,sans-serif"><span style="font-family:arial,sans-serif">Mobile: 303-618-0637</span><br style="font-family:arial,sans-serif">
<a href="mailto:cafinn@usgs.gov" style="color:rgb(17,85,204);font-family:arial,sans-serif" target="_blank">cafinn@usgs.gov</a><br style="font-family:arial,sans-serif"><a href="http://geomag.usgs.gov/" style="color:rgb(17,85,204);font-family:arial,sans-serif" target="_blank">http://geomag.usgs.gov</a><br>
<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 26, 2018 at 5:04 PM, Sauter, Edward <span dir="ltr"><<a href="mailto:esauter@usgs.gov" target="_blank">esauter@usgs.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">What are the odds of you SLB people randomly looking at the 30 minute window, after 1300 UT, in an attempt to catch it as it is happening. Then make a 'mad dash' (obeying the posted speed limits of course), to see if you can see what is going on in the vicinity of the observatory.<div><br></div><div>It was at it again today from around 1956 through 2027 UT.</div><br><div class="gmail_quote"><div dir="ltr">On Wed, Sep 26, 2018 at 4:42 PM Adam Aucoin <<a href="mailto:AAucoin@slb.com" target="_blank">AAucoin@slb.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Good evening,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I spoke with the T-Pad operator about the disruptions and the times. She told me there has been no activity going on at T-Pad.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Kindly instruct what should be our next step.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks, <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="m_-6931380141536073245m_-7834987352450522190msipfooter6d2e06ff" align="center" style="margin:0in;margin-bottom:.0001pt;text-align:center">
<span style="font-size:10.0pt;color:black">Schlumberger-Private</span><u></u><u></u></p>
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<p class="MsoNormal"><b>From:</b> Karen Remick <<a href="mailto:kjoutflow2004@yahoo.com" target="_blank">kjoutflow2004@yahoo.com</a>> <br>
<b>Sent:</b> Wednesday, September 26, 2018 12:44 PM<br>
<b>To:</b> Adam Aucoin <<a href="mailto:AAucoin@slb.com" target="_blank">AAucoin@slb.com</a>>; Bonnie Baker <<a href="mailto:BBaker14@slb.com" target="_blank">BBaker14@slb.com</a>>; Brian Olson <<a href="mailto:bolson@slb.com" target="_blank">bolson@slb.com</a>>; Kory Simpson <<a href="mailto:KSimpson@slb.com" target="_blank">KSimpson@slb.com</a>>; Lisa Tschosik <<a href="mailto:LTschosik@slb.com" target="_blank">LTschosik@slb.com</a>>; Ryan Kauffman <<a href="mailto:RKauffman@slb.com" target="_blank">RKauffman@slb.com</a>>; Sauter, Edward <<a href="mailto:esauter@usgs.gov" target="_blank">esauter@usgs.gov</a>>; Brandon Horton
<<a href="mailto:BHorton4@slb.com" target="_blank">BHorton4@slb.com</a>><br>
<b>Cc:</b> GS-HAZ Geomagnetism Federal Employees <<a href="mailto:geomag-daily@geohazards.usgs.gov" target="_blank">geomag-daily@geohazards.usgs.<wbr>gov</a>><br>
<b>Subject:</b> [Ext] Re: Daily bad Total Field Values at Deadhorse Observatory<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Ed,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Maybe we can get some logs from the T-pad operator as to when people were on the pad. Finding out who was there gives us a chance to find out what exactly they were doing.
If no-one was on the pad, that tells us something too.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Karen<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">On Wednesday, September 26, 2018, 7:18:29 AM AKDT, Sauter, Edward <<a href="mailto:esauter@usgs.gov" target="_blank">esauter@usgs.gov</a>> wrote:
<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">All,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">On a daily basis, starting at at random hours, there are a lot of missing 1 second F values. Carol Finn first noticed the problem. Not so many as to corrupt
our 1 minute values, but a fair number. They seem to be concentrated over a 1 -3 hour period, and in the later half of the UT day (after 1300 during the last week or so).<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">Whatever is causing this problem, it took September 21 off. During this day, there was on 1 bad 1 second F value.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">In order to see what I describing, you must view a time span of no more than 30 minutes on the Geomag Plots page:<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__geomag.usgs.gov_plots_&d=DwMFaQ&c=CRKael6LgVt5xjvyqPD27dPR2eKsAMw5_UGvkEk3eUY&r=sSHo8vlCBgwVcdtmYQ1J_g&m=r4q8Z46u0-EISLA3pfucOcb1F7JQ7NyaauNmKrCiShc&s=kNnSwj5fsD3ZPFeMxoqEKIMeKnnrTrHy_nnukPf9Ql8&e=" target="_blank">https://geomag.usgs.gov/plots/</a><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">On the left side of the page, you can select an individual observatory (DED, for your observatory)<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">Also, on the left side of the page, there are 2 blocks that signify the start and end time for the horizontal scale. For example, enter a start time of 2018-09-23
20:00:00, and an end time of 2018-09-23 20:30:00. (within the time blocks you can edit the entry already there)<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">After selecting this time span, you can use the Step Forward and Step Back 'buttons' to shift the time span accordingly.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">Because of the way this happens for a period of time, and on almost a daily basis, I am of the opinion this is an artificial disturbance,
and can be remedied. One of the more probable causes would be welding in the vicinity, but it could be something else.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">Please investigate at your first opportunity and by all means avoid taking absolute observations during periods where the Total Field values are being corrupted. <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">Some statistics:</span><span style="color:#26282a"> </span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u><u></u></span></p>
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<tbody>
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<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">Date<u></u><u></u></p>
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<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">Starting at:<u></u><u></u></p>
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<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">Bad 1 Second F Values<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">9/19<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">1300<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.65pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">170+<u></u><u></u></p>
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<tr>
<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">9/20<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">1300 UT<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.65pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">220<u></u><u></u></p>
</td>
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<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">9/21<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">0100<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.65pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">1<u></u><u></u></p>
</td>
</tr>
<tr>
<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">9/22<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">2200<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.65pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">165<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">9/23<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">2000<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.65pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">500+<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">9/24<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">2200<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.65pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">168<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">9/25<u></u><u></u></p>
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<td width="229" valign="top" style="width:171.6pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">2000<u></u><u></u></p>
</td>
<td width="229" valign="top" style="width:171.65pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="m_-6931380141536073245m_-7834987352450522190yiv3558767687msonormal" style="margin:0in;margin-bottom:.0001pt">280+<u></u><u></u></p>
</td>
</tr>
</tbody>
</table>
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<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">Regards,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#26282a">Ed Sauter<u></u><u></u></span></p>
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<p class="MsoNormal"><br></p></div></div></div></div></div></div></div></div></div></div></div></blockquote></div></div>
<br>______________________________<wbr>_________________<br>
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<br></blockquote></div><br></div>