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<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34);background:white">All,</span><span style="font-size:12pt;font-family:"Times New Roman",serif"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)">The following
discrepancies were noted this day:<span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">Barrow Test. </span></b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red;background:white">BRT had
the following outages sinc</span><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">e
2336:55 UT up until present. </span><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">Barrow. </span></b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">BRW has a spike on </span><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">ΔF</span> at
2345 UT 5/5/18(YD125) and 0904 UT 5/6/18(YD126).<span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">Deadhorse. </span></b><span class="gmail-observatory"><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">DED</span><span style="box-sizing:border-box;word-wrap:break-word;font-variant-ligatures:normal;font-variant-caps:normal;text-decoration-style:initial;text-decoration-color:initial;word-spacing:0px"> </span></span><span class="gmail-channel"><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">ΔF</span> has spikes at </span><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">1258 UT 5/6/18(YD126),
0916 UT5/7/18(YD127)</span><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span></span></span></b></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span> </span></span></b></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">College. </span></b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">CMO ΔF has a baseline
change at 1822 UT 5/5/18(YD125) and spikes at 2351 UT 5/5/18(YD125),</span><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"> 1253 UT 5/6/18(YD126)
and 2254 UT 5/6/18(YD126). Multiple gaps in the outside temp sensor.<span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span> </span></span></b></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">College test down since </span></b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">1852 UT 5/4/18(YD124)</span><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span></span></span></b></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span> </span></span></b></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">Shumagin. </span></b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">There was an Artificial
Disturbance during minute 1354 UT, on 5/4/18 (YD 124). This caused the H
component to change bins, creating an offset. <span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red"><span> </span></span></b></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">Sitka</span></b><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">. SIT ΔF has a baseline
change from 0010 UT to 0017 UT on 5/6/18(YD126)<span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red">Boulder test. </span></b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red"> waiting a replacement
MXE for installation to restore this system. <span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red">Fredericksburg. </span></b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red">FRD has a gap on E from 0415 UT through 0417 UT on 5/5/18 (YD 125)<span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red">Stennis has gaps in
H,D,E,Z,X,Y,F and </span><span style="font-size:9pt;font-family:Arial,sans-serif;color:red">ΔF
at </span><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red">1648 UT on 5/6/18 (YD 126)
possibly relating to an earthquake in the Gulf of Mexico<span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue">Tucson. There are gaps in
the Dist, SQ and SV plots from 0511 through 0624 UT, on 5/6/18 (YD 126) and
0601 UT through 0624 UT on 5/7/18 (YD 127)</span></b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue;background:white"><br>
<br>
</span></b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue">Dist.</span></b><b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue"> <a name="_Hlk513404490">There is a gap in the
Dist from 0511 through 0624 UT, on 5/6/18 (YD 126) <b style="color:rgb(34,34,34);font-family:Calibri,sans-serif;font-size:14.6667px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue"><span> </span>and 0601 UT through 0624 UT on 5/7/18 (YD 127)</span></b>
</a></span></b><span></span><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue">SQ </span></b><b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue">There is a gap in the SQ from 0511 through 0624
UT
<b style="color:rgb(34,34,34);font-family:Calibri,sans-serif;font-size:14.6667px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue"><span> </span>and 0601 UY through 0624 UT on 5/7/18 (YD 127)</span></b>
, on 5/6/18 (YD 126), HON 1420 to 1422 5/5/18 (YD 125) </span></b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue">SV. </span></b><b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue">There is a gap in the SV from 0511 through 0624
UT, on 5/6/18 (YD 126)
<b style="color:rgb(34,34,34);font-family:Calibri,sans-serif;font-size:14.6667px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue"><span> </span>and 0601 UY through 0624 UT on 5/7/18 (YD 127)</span></b>
</span></b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><span> </span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue;background:white">Boulder
E-Field. None.</span></b><span style="font-size:12pt;font-family:Arial,sans-serif;color:rgb(34,34,34);background:white"><span></span></span></p>
<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;background:white;font-size:11pt;font-family:Calibri,sans-serif"><b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue;background:white"><br>
DST. There is the daily offset in the USGS Dst-1min plot
resulting from the corresponding data gap in the plot for Kakioka at around the
end/start of each day. </span></b><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34);background:white"><span></span></span></p>
<br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><font face="Arial, sans-serif" style="color:rgb(136,136,136);font-size:12.8px">John M. Spritzer</font><br style="color:rgb(136,136,136);font-size:12.8px;font-family:Arial,sans-serif"><font color="#888888" face="Arial, sans-serif">Geophysicist/Engineer</font><br><div style="color:rgb(136,136,136);font-size:12.8px"><span style="font-family:Arial,sans-serif">USGS/Geologic Hazards Science Center</span></div><div style="color:rgb(136,136,136);font-size:12.8px"><span style="font-family:Arial,sans-serif">PO Box 25046, <a href="https://maps.google.com/?q=MS+966+Denver,+CO+80225+Office&entry=gmail&source=g" style="color:rgb(17,85,204)" target="_blank">MS 966</a></span><br style="font-family:Arial,sans-serif"><span style="font-family:Arial,sans-serif"><a href="https://maps.google.com/?q=MS+966+Denver,+CO+80225+Office&entry=gmail&source=g" style="color:rgb(17,85,204)" target="_blank">Denver, CO 80225</a></span><br style="font-family:Arial,sans-serif"><span style="font-family:Arial,sans-serif"><a href="https://maps.google.com/?q=MS+966+Denver,+CO+80225+Office&entry=gmail&source=g" style="color:rgb(17,85,204)" target="_blank">Office</a>: 303-273-8430</span></div><div style="color:rgb(136,136,136);font-size:12.8px"><span style="font-family:Arial,sans-serif">Fax: 303-273-8506</span><br style="font-family:Arial,sans-serif"><br></div></div></div></div></div>
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