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40m Log |
Not logged in |
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Mon Jul 4 10:30:37 2016, ericq, Update, General, Preliminary vent plans
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Tue Jul 5 17:14:02 2016, ericq, Update, General, Vent progress 
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Tue Jul 5 19:10:41 2016, rana, Update, General, Vent progress
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Tue Jul 5 21:51:35 2016, ericq, Update, General, Vent progress
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Tue Jul 5 23:38:42 2016, gautam, Update, General, Vent progress - ETMX SUS Coil driver electronics investigation
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Wed Jul 6 22:58:01 2016, gautam, Update, General, Vent progress - ETMX SUS Coil driver electronics investigation
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Thu Jul 7 00:25:07 2016, ericq, Update, General, Vent progress - ETMX SUS Coil driver electronics investigation
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Thu Jul 7 10:49:03 2016, gautam, Update, General, Vent progress - ETMX SUS Coil driver electronics investigation
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Fri Jul 8 11:35:45 2016, gautam, Update, General, Vent progress - ETMX SUS Coil driver electronics investigation
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Fri Jul 8 11:48:09 2016, Koji, Update, General, Vent progress - ETMX SUS Coil driver electronics investigation
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Fri Jul 8 14:03:26 2016, ericq, Update, General, ETMX removed from suspension
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Fri Jul 8 16:33:26 2016, ericq, Update, General, ETMX removed from suspension
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Fri Jul 8 20:44:09 2016, Koji, Update, General, ETMX removed from suspension 6x
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Sun Jul 10 15:38:01 2016, ericq, Update, General, ETMX in guiderod/standoff gluing fixture 6x
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Tue Jul 12 16:08:00 2016, ericq, Update, General, ETMX ruby guided gluing
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Wed Jul 13 21:13:51 2016, Koji, Update, General, ETMX guide rod gluing / ETMY Magnet gluing 13x
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Thu Jul 14 22:29:57 2016, ericq , Update, General, ETMX guide rod gluing / ETMY Magnet gluing
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Fri Jul 15 16:23:51 2016, ericq , Update, General, Gluing setbacks 
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Tue Jul 19 16:39:29 2016, Lydia, Update, General, ETMX magnet gluing/guiderod excess glue removed 
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Wed Jul 20 13:58:55 2016, Steve, Update, SUS, SUS damping out of vac chamber   
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Thu Jul 21 17:01:59 2016, ericq, Update, General, ETMX magnet gluing/guiderod excess glue removed
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Fri Jul 22 23:03:23 2016, gautam, Update, General, ETMX suspension - progress    
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Sun Jul 24 03:43:56 2016, ericq, Update, General, Magnet positioning
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Mon Jul 25 13:01:49 2016, ericq, Update, General, ETMX suspension - progress    
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Mon Jul 25 13:47:19 2016, rana, Update, General, ETMX suspension - progress
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Mon Jul 25 17:01:54 2016, Steve, Update, SUS, ETMX suspension - progress
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Mon Jul 25 20:37:46 2016, gautam, Update, General, ETMX suspension - Side OSEM test
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Tue Jul 26 18:07:57 2016, gautam, Update, General, ETMX suspension - Further OSEM Tests
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Thu Jul 28 03:22:28 2016, ericq, Update, General, ETMX magnets re-reglued
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Thu Jul 28 13:49:44 2016, gautam, Update, General, ETMX magnets re-reglued 
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Thu Jul 28 17:48:17 2016, gautam, Update, General, ETMY LR magnet broke off
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Thu Jul 28 22:43:03 2016, rana, Update, General, ETMY UL magnet broke off
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Wed Aug 3 10:52:03 2016, Steve, Update, General, ETMY soaking dish  
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Fri Jul 29 03:32:30 2016, ericq, Update, General, ETMX suspended once more
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Fri Jul 29 13:17:34 2016, Koji, Update, General, Oven
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Thu Jul 14 01:00:33 2016, Koji, Update, General, ETMX ruby guided gluing
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Thu Jul 28 16:43:01 2016, Lydia, Update, General, ETMX aluminium standoff groove condition   
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Fri Jul 8 21:22:38 2016, gautam, Update, General, Vent progress - ETMX SUS Coil driver electronics investigation
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Wed Jul 6 09:34:26 2016, Steve, Update, General, PRM sensing voltage LR
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Wed Jul 6 19:36:45 2016, Koji, Update, General, SUS Vmon  
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Thu Jul 7 15:23:39 2016, ericq, Update, General, SUS Vmon
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Thu Jul 7 16:05:55 2016, Koji, Update, General, SUS Vmon
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Thu Jul 7 17:12:50 2016, Johannes, Update, General, Vent progress   
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Tue Jul 12 23:51:16 2016, Johannes, Update, General, Vent progress - ETMY inspection 
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Wed Jul 13 00:38:25 2016, Johannes, Update, General, Vent progress - ETMY attempted repositioning
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Tue Jul 19 13:21:42 2016, Johannes, Update, General, Vent progress - ETMY attempted repositioning
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Sun Jul 10 17:33:00 2016, ericq, Update, General, Vent progress
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Mon Jul 11 15:13:22 2016, gautam, Update, General, Vent progress: in-date First Contact procured
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Message ID: 12265
Entry time: Thu Jul 7 10:49:03 2016
In reply to: 12263
Reply to this: 12271
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Author: |
gautam |
Type: |
Update |
Category: |
General |
Subject: |
Vent progress - ETMX SUS Coil driver electronics investigation |
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Quote: |
It may be advantageous to look at the coil output data from when the OSEM damping is on, to try and reproduce the real output signal amplitude that gets sent to the coils.
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The amplitude of the applied signal (20) was indeed chosen to roughly match what goes to the coils normally when the OSEM damping is on.
There appears to be no evidence of a detectable glitch in the last 10 hours or so (see attachment #1 - of course this is a 16Hz channel and the full data is yet to be looked at)... I guess the verdict on this is still inconclusive. |
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