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 Fri Aug 29 22:57:48 2008, Yoichi, Update, PSL, FSS loop transfer functions 
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 Mon Sep 1 04:34:00 2008, rana, Update, PSL, FSS loop transfer functions
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Tue Sep 2 07:58:34 2008, rana, Summary, PSL, FSS & PMC LO trends for 2 years
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Message ID: 909
Entry time: Tue Sep 2 07:58:34 2008
In reply to: 907
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| Author: |
rana |
| Type: |
Summary |
| Category: |
PSL |
| Subject: |
FSS & PMC LO trends for 2 years |
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The attached plot is a 2 year minute trend of the EPICS readback of the PMC & FSS LO Monitors (FSS_LODET & PMC_LODET).
Clearly the FSS LO has been dying for at least 2 years. The step up from 10 months
ago is probably when Rob removed a 3dB attenuator from in front of the box. |
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