Most of the locklosses over this weekend have the IMC tag and those do show the IMC losing lock at the same time as AS_A, but since I don't have any further insight into those, I wanted to point out a few locklosses where the causes are different from what we've been seeing lately.

2024-11-02 04:17UTC

• No IMC tag, does have a DCPD tag
• Everything looking normal, then 100ms before the lockloss is first seen by anyone, PSL-ISS_AOM_DRIVER_MON_OUT shows a steep drop in value, getting larger in amplitude until the lockloss (ndscope1, ndscope2)

2024-11-02 17:13 UTC

• No IMC tag, does have a DCPD tag
• Everything looking normal, then 1s before the lockloss is first seen by anyone, PSL-ISS_AOM_DRIVER_MON_OUT shows a steep drop in value, getting larger in amplitude until the lockloss (ndscope3, ndscope4)
• Very similar to the above example, except the glitch isn't as steep. There is another one of these glitches that happens a few seconds before, but that one is even less steep and it is able to catch itself

2024-11-02 18:38:30.844238 UTC

• No IMC tag, does have a DCPD tag
• Small glitch in the FSS FASTMON channel caused NPRO temperature to spike and NPRO power jumps down, then ISS AOM DRIVERMON sees glitch up to the lockloss start (ndscope5, ndscope6-zoomed into FSS drop)