david.barker@LIGO.ORG - posted 16:13, Thursday 23 January 2025 (82429)
Lock Loss Alert system bug fix
Locklossalert had a bug whereby repeat GRD_NOTIFY cell phone calls/texts were not being sent if H1 remained in the same lock/unlocked state throughout. This was seen on at least two occasions, Monday 20th January at 4am and Sunday 12th January at 6am.
New code with the fix was restarted on cdslogin at 16:03 23jan2025. All LLA settings were restored, but the reset cleared the H1 lock-clock (from 4+ hrs).