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Reports until 01:21, Thursday 04 June 2015
LHO General
corey.gray@LIGO.ORG - posted 01:21, Thursday 04 June 2015 - last comment - 03:00, Thursday 04 June 2015(18844)
After Hour #1 (8:20utc/1:22amPST) Status

(Dan, Corey)

TJ handed off a nice H1 segment with a range hovering at a steady 51Mpc (double-coincident with L1's 59Mpc which has trended down to 57Mpc).  We are Undisturbed, with Guardian at "LSC FF" and a power of 17.6W.

For the last four hours winds have taken a little bump up to ~12mph (which is considered high).  All seismic bands are now low (fairly low useism [0.1-0.3Hz] below 0.1um/s).

I notice the LVEA & EY lights have been left ON!

TO DO (if L1 drops): 

Comments related to this report
corey.gray@LIGO.ORG - 03:00, Thursday 04 June 2015 (18845)

As of 10:00utc, going on ~4hrs of double coincidence.  Winds have died down to under 10mph locally.

While going through the Ops Checksheet, had a few notes:

  • For the Guardian check, I notice that we have a "BRS has rung up" message.  Since we are not using BRS for Sensor Correction ("it's off"), I'm not going to worry about it.
  • For checking CDS Front Ends, we have lots of green up there, but I see that we have a purple H1ASC excitation...what's this?
  • Dust Monitors:  LAB has (2) with Major alarms & no dust counts (think this is normal), EX has INVALID boxes on it.
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