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<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"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red">Barrow Test.  BRT had
the following outages since 2336:55 UT up until present. <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">Barrow. BRW has a
spike at 08260 UT on 5/10/2018 (YD130).</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: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">Deadhorse. DED currently down
(1510 UT) from 1255 UT on 5/10/2018 (YD130) possibly internet outage.</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: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">Deadhorse Test. DHT currently
down from 1255 UT on 5/10/2018 (YD130).</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"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:red">College Test.
CMT currently down since 1852 UT 5/4/18(YD124)<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">Boulder. BOU has a gap in
the SQ at 2256 UT to 2258 UT on 5/10/18 (YD130)</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: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">Honolulu. HON has a gap in
the SQ at 1320 UT to 1322 UT on 5/10/18 (YD130)<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">Guam. GUA has data gaps on
channels H,E,D,Z,F,ΔF,X,Y,Dist,T-electric,T-fluxgate,T-Total Field, and
T-outside at 2345 UT to 2350 UT on 5/9/18 (YD129) and 0136 UT to 0138 UT on
5/10/18 (YD130).<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"><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:blue">Dist,SQ SV  </span><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:blue">Boulder. BOU has a gap in
the SQ at 2256 UT to 2258 UT on 5/10/18 (YD130)<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:blue"><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:blue">Honolulu. HON has a gap
in the SQ at 1320 UT to 1322 UT on 5/10/18 (YD130)<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:blue"><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:blue">Guam. GUA has data gap on
Dist,at 2345 UT to 2350 UT on 5/9/18 (YD129) and 0136 UT to 0138 UT on 5/10/18
(YD130).<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"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue">Boulder E-Field. 
None.</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"><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:blue">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><span style="font-size:9.5pt;font-family:Arial,sans-serif;color:rgb(34,34,34)"><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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