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The following issues were noted this morning:</div>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>Boulder E-Field </b></span><span style="margin: 0px; color: rgb(12, 100, 192)"><span> </span> 2020-07-15 OK</span></div>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>College</b> - <span style="font-family: "Segoe UI", system-ui, "Apple Color Emoji", "Segoe UI Emoji", sans-serif; background-color: rgb(255, 255, 255); display: inline !important">
2020-07-15 </span>There is a spike in H at 14:57.</span></div>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>Deadhorse</b> - 2020-07-15 There is a F and Delta F spike at 06:57 and a Z and Delta F spike at 14:48.</span></div>
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<b></b><span style="margin: 0px; color: rgb(12, 100, 192)"><b>Fredericksburg -</b></span><span style="margin: 0px; color: rgb(12, 100, 192)"><span> </span>2020-07-15 Small offsets, spikes, and noise 01:58 to 06:35</span></div>
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<span style="margin: 0px; color: rgb(12, 100, 192); background-color: rgb(255, 255, 255)"><b>Guam</b></span><span style="margin: 0px; color: rgb(12, 100, 192); background-color: rgb(255, 255, 255)"><b><span style="margin: 0px"> </span>-</b></span><span style="margin: 0px; color: rgb(12, 100, 192); background-color: rgb(255, 255, 255)"><span style="margin: 0px"> </span>2020-07-15
There is a disturbance 04:47 to 05:03 in all components</span><br>
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<b></b><span style="margin: 0px; color: rgb(12, 100, 192)"><b>Honolulu -</b></span><span style="margin: 0px; color: rgb(12, 100, 192)"><span> </span></span><span style="margin: 0px; color: rgb(12, 100, 192)">2020-07-15 Large amplitude for Delta F and it's
full of occasional spikes in Z.</span></div>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>Newport</b> - 2020-07-15 Construction disturbances today. We seem to have lost F at 19:19.</span></div>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>Shumagin</b> - 2020-07-15 There are offsets and spikes in H 01:00 to 06:30 possibly due to a bin change.</span></div>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>Tucson - </b></span><span style="margin: 0px; color: rgb(12, 100, 192)">2020-07-15 F and Delta F spikes 03:15 to 04:30, the largest being at 04:15. This may be due to thunderstorm activity.</span><br>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>Dst -</b></span><span style="margin: 0px; color: rgb(12, 100, 192)"><span> </span>2020-07-15 There is the usual gap in Kakioka about 0 UT.</span></div>
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<b></b><span style="margin: 0px; color: rgb(12, 100, 192)"><b>SQ -</b></span><span style="margin: 0px; color: rgb(12, 100, 192)"><span> </span>2020-07-15 None</span><br>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>SV -</b></span><span style="margin: 0px; color: rgb(12, 100, 192)"><span> </span>2020-07-15 None</span><br>
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<span style="margin: 0px; color: rgb(12, 100, 192)"><b>Dist -</b></span><span style="margin: 0px; color: rgb(12, 100, 192)"><span> </span>2020-07-15 None</span></div>
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Regards,</div>
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Bill</div>
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Bill Worthington</div>
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Geophysicist <span style="color:rgb(32,31,30); font-size:15px; text-align:start; background-color:rgb(255,255,255); display:inline!important">Tel: 303-273-8472</span></div>
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U. S. Geological Survey <span style="font-family:Calibri,Arial,Helvetica,sans-serif; background-color:rgb(255,255,255); display:inline!important">Fax: 303-273-8506</span></div>
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<span style="font-family:Calibri,Arial,Helvetica,sans-serif; background-color:rgb(255,255,255); display:inline!important">Geomagnetism Program <span style="font-family:Calibri,Arial,Helvetica,sans-serif; background-color:rgb(255,255,255); display:inline!important">Cell:
303-895-6150</span></span></div>
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PO Box 25046, MS 966 </div>
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Denver, CO 80225 bworth@usgs.gov</div>
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