We just had another lockloss due to coil driver switching.  This is a problem that has been with us since ER8 (also 20305)  I filed my first FRS ticket, which I accidentally sent to LLO Detector engineering 4303

We also have had a number of other locklosses tonight.  

One interesting one was that when we locked with a low recycling gain, our roll mode damping seemed to cause the mode to ring up.  As far as I know, this is the first time this has happened here, although LLO people have complained about this. It is plausible that our spot position moved and the coupling to DARM changed sign.  After Jim and I redid inital alingment Jenne was able to damp this mode using the old gains, which we have been using for almost a year now.

We also had 2 locklosses tonight due to wrong settings on ETMY ESD, we used our new down.snap to hopefully avoid any more wrong settings.

We also had 2 locklosses due to ASC coming on when the recycling gain was low.  (both fixed by doing inital alignment)