WP 12613. ALOG: 84928. "Remove the cabling described in https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=84928 from h1brsey and the network switch. Use the video port on h1brsey currently occupied by that cabling to connect to the kvm in the rack instead. Jim noted that "It might have been some sort of kvm or display extension set up Carlos tried for me. The rdp for beckhoff had too much lag to rebalance the BRS, so we had looked at some more direct remote display options, but I don't remember the details." and "the remote adjuster just installed means we don't need it, if that is what it is." Work to be done during any target of opportunity." This work has been completed.
WP 12641. "Install git and clone the vacuum repos on the vacuum machines where it has not yet been done. Update the scripts used to copy the channel lists from each of the Beckhoff vacuum machines to CDS to additionally copy the EPICS database files. Run the scripts on each of the vacuum machines. No expected downtime or impacts." I have completed the work on h0vaclx, h0vacly and h0vacmr and copied the auto generated EPICS IOC database files over. These did not need git to be installed. I did not do the remaining machines since I do not believe they are running out of the git repos and I was getting nervous. A couple of small issues. On h0vaclx I accidentally committed the change to the copy script before pulling changes from the remote repo. On h0vacmr more changes came down in the pull from the remote repo than I was expecting. h0vaclx: $ git pull remote: Enumerating objects: 15, done. remote: Counting objects: 100% (7/7), done. remote: Compressing objects: 100% (5/5), done. remote: Total 15 (delta 2), reused 2 (delta 2), pack-reused 8 (from 1) Unpacking objects: 100% (15/15), 3.90 KiB | 124.00 KiB/s, done. From https://git.ligo.org/cds/ifo/beckhoff/lho-vacuum d27c3eb..0faf5c4 main -> origin/main Merge made by the 'ort' strategy. Source/Scripts/h0vacly_create_target.ps1 | 6 ++++-- Target/H0VACLY/scp.bat | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) $ git log commit 4bc3d2a5267797ae947c596e1f5007183cf3cfd4 (HEAD -> main) Merge: f217076 0faf5c4 Author: Patrick ThomasDate: Tue Jul 1 10:34:45 2025 -0700 Merge branch 'main' of https://git.ligo.org/cds/ifo/beckhoff/lho-vacuum commit f2170760b6c51d68eb4a1d8b32466f044a882303 Author: Patrick Thomas Date: Tue Jul 1 10:33:23 2025 -0700 Added the EPICS database file to the list of files to copy over. commit 0faf5c4aeb5c61116a5abf0573cb3d09ffdc9e7c (origin/main, origin/HEAD) Author: Patrick Thomas Date: Tue Jun 24 11:46:18 2025 -0700 Updated host name. h0vacmr: $ git pull remote: Enumerating objects: 303, done. remote: Counting objects: 100% (75/75), done. remote: Compressing objects: 100% (31/31), done. remote: Total 303 (delta 59), reused 44 (delta 44), pack-reused 228 (from 1) Receiving objects: 100% (303/303), 7.56 MiB | 8.56 MiB/s, done. Resolving deltas: 100% (89/89), completed with 11 local objects. From https://git.ligo.org/cds/ifo/beckhoff/lho-vacuum 3687c4f..4c1c97d main -> origin/main Updating 3687c4f..4c1c97d Fast-forward Library/2010/Vacuum/Vacuum.project.~u | 4 + Library/2010/Vacuum/Vacuum.sln | 44 + Library/2010/Vacuum/Vacuum.suo | Bin 0 -> 19968 bytes Library/2010/Vacuum/Vacuum.tsproj | 13 + Library/2010/Vacuum/Vacuum.tsproj.bak | 4 + .../2010/Vacuum/Vacuum/DUTs/SmoothStateEnum.TcDUT | 12 + .../Controls/ColdCathodeGaugePowerControlFB.TcPOU | 41 + .../Vacuum/POUs/Controls/PIControllerFB.TcPOU | 96 + .../Controls/RegenHeaterTemperatureControlFB.TcPOU | 160 + .../AnnulusIonPumpMilliAmpsToLogMilliAmpsFun.TcPOU | 23 + .../AnnulusIonPumpMilliAmpsToTorrFun.TcPOU | 33 + .../AnnulusIonPumpVoltsToMilliAmpsFun.TcPOU | 19 + .../POUs/Conversions/CC10/CC10VoltsToTorrFun.TcPOU | 31 + .../ColdCathodeGaugeTorrToLogTorrFun.TcPOU | 23 + .../ColdCathodeGaugeVoltsToTorrFun.TcPOU | 23 + .../CryopumpMilliAmpsToPercentFullFun.TcPOU | 27 + ...evelControlValvePercentOpenToMilliAmpsFun.TcPOU | 27 + .../Dewar/DewarMilliAmpsToPercentFullFun.TcPOU | 27 + .../Dewar/DewarPercentFullToGallonsFun.TcPOU | 20 + ...ineMilliAmpsToPoundsPerSquareInchGaugeFun.TcPOU | 27 + ...eLineMilliAmpsToStandardLitrePerMinuteFun.TcPOU | 27 + ...FanVibrationMilliAmpsToInchesPerSecondFun.TcPOU | 27 + ...GateValveLimitSwitchesToPositionNumberFun.TcPOU | 33 + ...teValvePositionNumberToAnimationNumberFun.TcPOU | 32 + ...ateValvePositionNumberToPositionStringFun.TcPOU | 29 + .../GaugeControllerMKS937VoltsToTorrFun.TcPOU | 21 + .../Conversions/IO/EL3004CountsToVoltsFun.TcPOU | 27 + .../IO/EL3024CountsToMilliAmpsFun.TcPOU | 27 + .../IO/EL3314CountsToDegreesCelsiusFun.TcPOU | 19 + .../IO/EL4024MilliAmpsToCountsFun.TcPOU | 32 + .../Inficon/InficonBPG402TorrToLogTorrFun.TcPOU | 23 + .../Inficon/InficonBPG402VoltsToTorrFun.TcPOU | 19 + ...mentAirVoltsToPoundsPerSquareInchGaugeFun.TcPOU | 27 + .../IonPumpControllerDualVacTorrToStatusFun.TcPOU | 23 + ...nPumpControllerDualVacVoltsToKiloVoltsFun.TcPOU | 34 + .../IonPumpControllerDualVacVoltsToTorrFun.TcPOU | 25 + .../IonPumpControllerGammaAmpsToTorrFun.TcPOU | 21 + .../IonPumpControllerGammaTorrToStatusFun.TcPOU | 23 + .../IonPumpControllerGammaVoltsToAmpsFun.TcPOU | 19 + ...IonPumpControllerGammaVoltsToKiloVoltsFun.TcPOU | 34 + .../IonPumpControllerIPCMiniAmpsToTorrFun.TcPOU | 31 + .../IonPumpControllerIPCMiniTorrToStatusFun.TcPOU | 23 + .../IonPumpControllerIPCMiniVoltsToAmpsFun.TcPOU | 27 + ...nPumpControllerIPCMiniVoltsToKiloVoltsFun.TcPOU | 34 + .../IonPumpControllerMiniVacAmpsToTorrFun.TcPOU | 31 + .../IonPumpControllerMiniVacTorrToStatusFun.TcPOU | 23 + .../IonPumpControllerMiniVacVoltsToAmpsFun.TcPOU | 27 + ...nPumpControllerMiniVacVoltsToKiloVoltsFun.TcPOU | 34 + .../IonPumpControllerMultiVacTorrToStatusFun.TcPOU | 23 + ...PumpControllerMultiVacVoltsToKiloVoltsFun.TcPOU | 34 + .../IonPumpControllerMultiVacVoltsToTorrFun.TcPOU | 25 + .../POUs/Conversions/LinearConversionFun.TcPOU | 31 + .../PiraniGauge/PiraniGaugeVoltsToTorrFun.TcPOU | 55 + .../RegenHeaterDegreesCelsiusToMilliAmpsFun.TcPOU | 27 + ...aterPressureVoltsToPoundsPerSquareInchFun.TcPOU | 27 + .../Vacuum/Vacuum/POUs/Filters/DeadBandFB.TcPOU | 30 + .../2010/Vacuum/Vacuum/POUs/Filters/SmoothFB.TcPOU | 41 + Library/2010/Vacuum/Vacuum/Vacuum.plcproj | 430 ++ .../3.3.0.0/tc2_standard.compiled-library | Bin 0 -> 40065 bytes .../3.3.10.0/tc2_system.compiled-library | Bin 0 -> 145473 bytes .../3.3.10.0/tc2_utilities.compiled-library | Bin 0 -> 453424 bytes .../3.3.0.0/tc3_interfaces.compiled-library | Bin 0 -> 20041 bytes .../tc3_module/3.3.6.0/tc3_module.compiled-library | Bin 0 -> 62830 bytes .../3.5.4.0/unitconversion_itfs.compiled-library | Bin 0 -> 159574 bytes .../3.5.2.0/base_itfs.compiled-library | Bin 0 -> 14669 bytes .../system/cmpapp/3.5.6.0/cmpapp.compiled-library | Bin 0 -> 43807 bytes .../3.5.5.0/cmpbitmappool.compiled-library | Bin 0 -> 10128 bytes .../3.5.3.50/cmpdynamictext.compiled-library | Bin 0 -> 20559 bytes .../3.5.5.0/cmperrors2_itfs.compiled-library | Bin 0 -> 12708 bytes .../3.5.5.0/cmpeventmgr.compiled-library | Bin 0 -> 24277 bytes .../system/cmplog/3.5.5.0/cmplog.compiled-library | Bin 0 -> 17125 bytes .../3.5.5.0/cmpschedule.compiled-library | Bin 0 -> 15643 bytes .../3.5.5.0/cmptargetvisu.compiled-library | Bin 0 -> 12556 bytes .../3.5.6.0/cmpvisuhandler.compiled-library | Bin 0 -> 30874 bytes .../component manager/3.5.5.0/cm.compiled-library | Bin 0 -> 40088 bytes .../3.5.2.0/dataserver_itfs.compiled-library | Bin 0 -> 76219 bytes .../3.5.2.0/monitoringdata_itfs.compiled-library | Bin 0 -> 39335 bytes .../3.5.6.0/stringutils.compiled-library | Bin 0 -> 126454 bytes .../sysfile/3.5.6.0/sysfile.compiled-library | Bin 0 -> 23653 bytes .../system/sysmem/3.5.5.0/sysmem.compiled-library | Bin 0 -> 18005 bytes .../sysprocess/3.5.5.0/sysprocess.compiled-library | Bin 0 -> 17317 bytes .../system/sysshm/3.5.5.0/sysshm.compiled-library | Bin 0 -> 14973 bytes .../systarget/3.5.5.0/systarget.compiled-library | Bin 0 -> 21297 bytes .../systime/3.5.5.0/systime.compiled-library | Bin 0 -> 8455 bytes .../3.5.5.0/systimecore.compiled-library | Bin 0 -> 11600 bytes .../systimertc/3.5.5.0/systimertc.compiled-library | Bin 0 -> 24315 bytes .../3.5.2.0/systypes_itfs.compiled-library | Bin 0 -> 11482 bytes .../3.5.4.0/systypes_itfs.compiled-library | Bin 0 -> 12416 bytes .../3.5.5.0/visu_itfs.compiled-library | Bin 0 -> 27620 bytes .../3.5.6.0/visuelembase.compiled-library | Bin 0 -> 1743684 bytes .../3.5.6.0/visuelemmeter.compiled-library | Bin 0 -> 2483904 bytes .../visuelems/3.5.6.10/visuelems.compiled-library | Bin 0 -> 424922 bytes .../visuelemsspecialcontrols.compiled-library | Bin 0 -> 2146422 bytes .../3.5.6.0/visuelemswincontrols.compiled-library | Bin 0 -> 845827 bytes .../3.5.6.0/visuelemtexteditor.compiled-library | Bin 0 -> 390796 bytes .../visuinputs/3.5.6.0/visuinputs.compiled-library | Bin 0 -> 85394 bytes .../3.5.6.0/visunativecontrol.compiled-library | Bin 0 -> 83866 bytes Library/Vacuum/Vacuum/Vacuum.xml | 7520 ++++++++++++++++++++ Source/Scripts/h0vaclx.ps1 | 22 +- Source/Scripts/h0vaclx_create_target.ps1 | 15 +- Source/Scripts/h0vacly.ps1 | 20 +- Source/Scripts/h0vacly_create_target.ps1 | 6 +- Source/Scripts/macro_functions.ps1 | 226 + Source/h0vaclx_create_target.cs | 4 +- Target/H0VACEX/scp.bat | 2 +- Target/H0VACEY/scp.bat | 2 +- Target/H0VACLX/h0vaclx.cmd | 8 +- Target/H0VACLX/h0vaclx_start_ioc.bat | 2 +- Target/H0VACLX/scp.bat | 2 +- Target/H0VACLY/scp.bat | 2 +- Target/H0VACMR/scp.bat | 2 +- Target/H0VACMX/scp.bat | 2 +- Target/H0VACMY/scp.bat | 2 +- 113 files changed, 9928 insertions(+), 38 deletions(-) create mode 100644 Library/2010/Vacuum/Vacuum.project.~u create mode 100644 Library/2010/Vacuum/Vacuum.sln create mode 100644 Library/2010/Vacuum/Vacuum.suo create mode 100644 Library/2010/Vacuum/Vacuum.tsproj create mode 100644 Library/2010/Vacuum/Vacuum.tsproj.bak create 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Library/2010/Vacuum/Vacuum/_Libraries/system/visuinputs/3.5.6.0/visuinputs.compiled-library create mode 100644 Library/2010/Vacuum/Vacuum/_Libraries/system/visunativecontrol/3.5.6.0/visunativecontrol.compiled-library create mode 100644 Library/Vacuum/Vacuum/Vacuum.xml Administrator@h0vacmr MINGW32 ~/Desktop/lho-vacuum (main)
I'm followed the pydarm deployment instructions here, to update the LHO pydarm install. This is the 20250701.0 tag for pydarm, which includes a bug fix for uncertainty budget generation for C01. This is not the default cds conda environment, but the default you get when typing pydarm at a command line, or specifically invoking by running "conda activate /ligo/groups/cal/conda/pydarm".
J. Kissel We're on a campaign to complete the collection of up-to-date top mass open loop gain TFs for the damping loops (see inventory prior to today in LHO:85289). The QUAD main M0 chain had never been measured, and thus had no tuned-excitation templates to start from, but the ETMY reaction R0 chain had been, and the drive chains and plant are quite similar. So, I've copied over the ETMY R0 templates for the Open Loop Gain TFs and renamed, and ran a "sed -i" to change them to ETMX R0 templates, and hit "go." It worked! Some minor adjustments were needed; e.g. some DOFs needed their gain reduced, and a few resonant gain filters Q reduced. Here's the set of measured new templates committed to the svn in the following location. Since the excitation depends on the damping filters installed, I attach a screenshot of the damping loop MEDM screen during the measurement. /ligo/svncommon/SusSVN/sus/trunk/QUAD/H1/ETMX/SAGM0/Data 2025-07-01_1530_H1SUSETMX_M0_WhiteNoise_L_0p01to50Hz_OpenLoopGainTF.xml 2025-07-01_1530_H1SUSETMX_M0_WhiteNoise_P_0p01to50Hz_OpenLoopGainTF.xml 2025-07-01_1530_H1SUSETMX_M0_WhiteNoise_R_0p01to50Hz_OpenLoopGainTF.xml 2025-07-01_1530_H1SUSETMX_M0_WhiteNoise_T_0p01to50Hz_OpenLoopGainTF.xml 2025-07-01_1530_H1SUSETMX_M0_WhiteNoise_V_0p01to50Hz_OpenLoopGainTF.xml 2025-07-01_1530_H1SUSETMX_M0_WhiteNoise_Y_0p01to50Hz_OpenLoopGainTF.xml I'll make comments about the *results* of the measurement in a separate aLOG.
Tue Jul 01 10:12:41 2025 INFO: Fill completed in 12min 37secs
This morning, while waiting for Maintenance, noticed that after the In-Lock SUS Measurement, we did not "automatically" return to Observing (which would only be a few min due imminent Maintenance). Turns out there was an ITMx SDF Diff for (H1:SUS-ITMX_L3_LOCK_L_TRAMP, see attached).
Since it was starting to get hectic in here leading up to Maintenance, I did not do anything about this SDF and kept H1 out of Observing.
The FSS RefCav TPD has been falling, so this morning I tweaked the beam alignment into it from the Control Room. With the IMC off the TPD was ~0.745 V, and after the alignment tweak the TPD was ~0.813 V (see attached plot). I also attached a screeshot of the PSL Quad Display after the alignment tweak. Corey relocked the IMC, and with the IMC locked the RefCav TPD is ~0.810 V (it's normal for there to be a slight difference in RefCav TPD with the IMC locked and unlocked).
This TPD is not as high as Ryan was able to get on June 11th, when this was last done. Further, the RefCav Refl spot is different from that time as well (lower left image on the Quad Display picture). This likely means things on the table are moving, which tends to happen when the weather changes. The TPD is looking good for now, but we will continue to monitor this over the coming weeks; an on-table FSS beam alignment may be necessary in the near future, depending on how things change.
A reminder that the PSL FOM image is archived every hour (https://lhocds.ligo-wa.caltech.edu/cr_screens/archive/png/2025/). The PSL FOM can be found under MM/DD/HH/nuc21-1.png
Attached shows PSL FOM at midnight and 11am today.
Note to operators: the LVEA lights can be seen on the PSL Anteroom camera coming through the wall vents, could be useful as a check the lights have been turned off.
TITLE: 07/01 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Oli
CURRENT ENVIRONMENT:
SEI_ENV state: CALM
Wind: 6mph Gusts, 4mph 3min avg
Primary useism: 0.01 μm/s
Secondary useism: 0.05 μm/s
QUICK SUMMARY:
H1 is currently on a 9+hr lock and dropped out of OBSERVING from 421-437 for the Magnetic Injections this morning (back in Observing). H1's range has hovered around 132Mpc for this lock. Overnight, Low microseism and winds. 21 min until Maintenance!
Workstations updated and rebooted. This was an os-packages update. Conda packages were not updated.
Called again due to SQZ being unlocked, keeping us out of Observing. SQZ MANAGER was stuck in LOCK_LO_FDS with the message "Beam diverter is open but no 3MHz on OMC, could be an alignment problem". Referencing my alog 82039 from December (I realized after that I should've also been looking to maximize H1:SQZ-OMC_TRANS_RF3_DEMOD_RFMON while adjusting sliders) when Vicky helped fix this issue, I trended back ZM4 and ZM6 and noticed that they had moved a lot in the past day. I picked the time 2025-06-30 20:30:15 UTC as my driftmon reference time since the squeezer had been locked then and the pointing looked like it was the most consistant with the past few days. I took SQZ_MANAGER to NO_SQUEEZING, then adjusted the sliders for ZM4 and ZM6 until they were pointing in the same way, and we were able to lock wtihout issue.
I got called for the same issue that Tony and Sheila had earlier today where the SHG PZT hit its voltage limit. I followed the very clear instructions given in that alog and just adjusted the PZT slider, and we were able to lock the SHG. I accepted the sdf for the SHG PZT offset.
After this, I quickly popped out of Observing to run SQZ ANG Adjust to try and get the range higher.
TITLE: 07/01 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Lock Acquisition
INCOMING OPERATOR: Oli
SHIFT SUMMARY:
SQZr trouble at the start of the lock but recovered and got to Observing at 00:07 UTC.
H1 was locked fine for 4 hours and 35 Minutes.
Then all the sudden Unknown Lockloss at 2025-07-01 03:56:04 UTC.
I tried to allow H1 to relock itself but it wanted me to find ASL-Y arm by hand and then seemed to get trapped in a PRMI loop. So after about 30 Minutes I did an Initial Alignment.
This did allow for a quick lock of DRMI_1F.
H1 is currently at ENGAGE_SOFT_LOOPS and locking Quickly.
LOG:
Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
---|---|---|---|---|---|---|
00:25 | PCAL | F Llamas | PCAL Lab | yes | Settign up measurements | 01:13 |
Unknown lockloss @ 3:56:07 UTC
No noticeable Seismic activity.
No PI ring Ups.
No saturations aside from HAM6 from the Fast Shutter.
On Friday Jun 27th Francisco and I went to the the PCAL lab and did a PCAL TX module maintenance according to T1600436.
AOM alignment was touched up
Results:
Laser SN05 | |
Date | June-26-2025 |
Laser Shutter Check | Fail |
Max OFS Offset | 7.2V |
95% OFS Offset | 6.84V |
Operating OFS Offset | 3.42V |
Laser Output Power | 1.97W |
Rejected Laser Power | 3.3mW |
AOM Input Power | 1.92W |
Max Diffracted Power | 1.23W |
Un-Diffracted Power | 0.500W |
AOM Diffraction Efficiency | 64% |
AOM Rejected Power | 3.3mW |
TxPD Power | 1.4mW |
OFSPD Power | 1.73mW |
Outer Beam Power | 294mW |
Inner Beam Power | 292mW |
Output Beam Power Ratio | 0.9932 |
OFS Gain | 7.50V |
OFS Phase Margin | 43.7 |
ALOG |
After the maintenance I tweeked the AOM to increase the diffraction efficiency. The nominally, the diffraction should be above 70% efficiency, which translates to 1.34 W from the *Maestro*. My procedure went as follows:
AOM alignment increased the efficiency to 67%, a gain of 3%.
Ivey and Edgard,
We just finshed a fit of the Yaw-to-Yaw transfer functions for the OSEM estimator using the measurements that Oli took for SR3 last Tuesday [see LHO: 85288].
The fits were added to the Sus SVN and live inside '~/SusSVN/sus/trunk/HLTS/Common/FilterDesign/Estimator/fits_H1SR3_2025-06-30.mat' . They are already calibrated to work on the filter banks for the estimator and can be installed using 'make_SR3_yaw_model.m', which lives in the same folder [for reference, see LHO: 84041, where Oli got the fits running for a test].
Attached below are two pictures of the fits we made for the estimator.
The first attachment shows the Suspoint Y to M1 DAMP Y fit. We made sure to fit the asymptotic behavior as well as we could, which ends up being 0.95x10^{-3} um/nm (5% lower than expected from the OSEM calibration). The zpk for this fit is
'zpk([-0.024+20.407i,-0.024-20.407i,-0.044+11.493i,-0.044-11.493i,0,0],[-0.067+21.278i,-0.067-21.278i,-0.095+14.443i,-0.095-14.443i,-0.07+6.405i,-0.07-6.405i],-0.001)'
The second attachment shows the M1 drive Y to M1 DAMP Y fit. We kept the same poles that we had for the other fit, but manually fit the zeros and gain to make a good match. The zpk for this fit is
'zpk([-0.051+8.326i,-0.051-8.326i,-0.011+19.259i,-0.011-19.259i],[-0.067+21.278i,-0.067-21.278i,-0.095+14.443i,-0.095-14.443i,-0.07+6.405i,-0.07-6.405i],12.096)'
Hopefully Oli and co. will have time to test this soon!
The new filters have been loaded in. Here are the matlab plots for the fits for SUSPOINT_Y_2GAP and for EST_MODL_DRV_Y_2GAP.
TITLE: 06/30 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Ryan C
CURRENT ENVIRONMENT:
SEI_ENV state: CALM
Wind: 10mph Gusts, 4mph 3min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.08 μm/s
QUICK SUMMARY:
H1 Is Currently Locked at NLN {600} But not Observing due to a SQZ_SHG issue:
Error SQZ_SHG [LOCKED.run] USERMSG 0: PZT voltage limits exceeded.
Sheila is currently working on the issue.
Sheila Fixed the issue, I have attached soem pictures to help future Ops that find this issue:
Sitemap -> SQZ -> SQZ_OVERVIEW -> SQZT0 -> PZT -> Move H1:SQZ-SHG_PZT_OFFSET slider.
We Now have a "pump fiber rej power in ham7, nominal 35e-3, align fiber pol on sqzt0" error message on SQZ-OPO_LR. nopted will do tomorrow.
Then we took SQZ_ANG_ADJUST Guardian to ADJUST_SQZ_ANG_ADF [10] which kinda worked but didn't improve sqzing and reverted back.
I then accepted the SDFs and now we're back in Observing at 00:07:25 UTC.
An NDScope of what the GRD-SQZ_SHG Guardian was doing.
I went down to end Y to retrieve the usb stick that I remotely copied the c:\slowcontrols directory on h1brsey to, and also to try to connect h1brsey to the kvm switch in the rack. I eventually realized that what I thought was a vga port on the back of h1brsey was probably not, and instead I found this odd seeming wiring connected from what I am guessing is a hdmi or dvi port on the back of h1brsey, to some kind of converter device, then to a usb port on a network switch. I'm not sure what this is about, so I am attaching pictures.