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</style><article id="node-608521" class="node node-logentry article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/3535644" rel="bookmark">Status update</a>
</h1>
</header><div class="date-vitals">
<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/3535644" class="lognumber" data-lognumber="3535644">3535644</a>. Submitted by <a href="https://logbooks.jlab.org/user/mack">mack</a> on <time datetime="2018-02-21T09:16:00-0500" pubdate="pubdate">Wed, 02/21/2018 - 09:16</time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hclog">HCLOG</a></td></tr><tr><th>Entry Makers: </th><td>mack</td></tr></table></div>
<div class="logentry node-content">
<p>We've been down since roughly 10pm last nite due to vacuum issues in an upstream section of the beamline. Information is sometimes contradictory with no recent updates, but there may be an actual leak. In addition to ongoing priority vacuum work, expect opportunistic accesses from support groups.<br />
Before the vacuum was some data taking, with a multi-hour interruption due to a PSS glitch. There was also an NFS issue on cdaql1. The ESR glitch didn't affect us; that was actually the ESR responding due a trip or something in Hall A magnets. </p>
<p>Accesses I'm aware of: vacuum guys, Steve Lassiter to close door on Q2 PS (it's a lot more involved and important than it sounds), Keith Cole et al to check thermocouple on BCM1/2 girder (it's still not regulating to spec. everything else has been replaced at this point). </p>
<p>Sign up for shifts. Don't let this chance slip away to invert your biological clock and be Eric's shift leader on owl, Sat-Tue!</p>
<p>Special notices in effect for shift crews:<br />
Instructions for LH2 <--> LD2 switches by TO : <a href="https://logbooks.jlab.org/entry/3534487">https://logbooks.jlab.org/entry/3534487</a><br />
Maximum current for Gaskell's bor-on-ing targets is 40 muA: <a href="https://logbooks.jlab.org/entry/3535297">https://logbooks.jlab.org/entry/3535297</a><br />
Any missing reference time messages should not be ignored: <a href="https://logbooks.jlab.org/entry/3535289">https://logbooks.jlab.org/entry/3535289</a></p>
<p>Fixes:<br />
Network issues <a href="https://logbooks.jlab.org/entry/3535181">https://logbooks.jlab.org/entry/3535181</a></p>
<p>Recent calibration/analysis updates:<br />
Simona's SHMS hodoscope plots: <a href="https://logbooks.jlab.org/entry/3534768">https://logbooks.jlab.org/entry/3534768</a> (compare S1X, etc, to Dec 9 for S1X for example <a href="https://logbooks.jlab.org/entry/3501758">https://logbooks.jlab.org/entry/3501758</a> . No evidence the gains have dropped. )<br />
Simona's HMS hodoscope plots: <a href="https://logbooks.jlab.org/entry/3535159">https://logbooks.jlab.org/entry/3535159</a><br />
Mark J look at energy measurements <a href="https://hallcweb.jlab.org/doc-private/ShowDocument?docid=956">https://hallcweb.jlab.org/doc-private/ShowDocument?docid=956</a></p>
<p>We will meet in 200C at 2:20 pm (second floor of the counting house), after the regular Wed scheduling meeting. </p>
<p>Link: <a href="https://bluejeans.com/543903672">https://bluejeans.com/543903672</a><br />
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1) Dial: 199.48.152.152 or bjn.vc<br />
2) Enter Meeting ID: 543 903 672<br />
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