Here are the rest of the satamp swap comparisons for the rest of the suspension/stages that we've upgraded as part of ECR E2400330. These were all swapped a while ago but I'm just getting around to making these comparisons now.
Overall, we do see a bit of improvement for these stages, although the high noise floor of the AOSEMs limits the amount of improvement we are able to see.
Notes about the results:
- ITMY L2: the original modified satamp that was swapped in on 10/14 ended up having issues and needed to be replaced on 10/16 with another modified satamp (87685). Because of this, the 'after' time that I chose here is after the second (working) satamp was installed
- ETMY L2: the original modified satamp that was swapped in on 10/14 ended up having issues and needed to be replaced on 10/24 with another modified satamp (87722). Because of this, the 'after' time that I chose here is after the second (working) satamp was installed
- SR3 M2: The comparison listed here is basically useless because it seems like there might have been something wrong with the old unmodified satamp. See 88706 for more info
Swapped Oct 14, 2025 (87469):
ITMX L2
ITMY L2 - needed to be swapped again Oct 16 (87685)
ETMX L2
ETMY L2 - needed to be swapped again Oct 24 (87722)
Swapped Oct 21, 2025 (87620):
MC1 M2, M3
MC2 M2, M3
MC3 M2, M3
PR3 M2, M3
SR3 M2, M3
ITMX
L2
Results:
$sussvn/QUAD/H1/ITMX/SAGL2/Results/allDampRegressCompare_H1SUSITMX_L2_NoiseComparison_1443956643vs1444642495-1200.pdf
$sussvn/QUAD/H1/ITMY/SAGL2/Results/allDampRegressCompare_H1SUSITMX_L2_1443956643vs1444642495-1200.mat
Data:
$sussvn/QUAD/H1/ITMX/SAGL2/Data/dampRegress_H1SUSITMX_L2_1443956643_1200.mat
$sussvn/QUAD/H1/ITMX/SAGL2/Data/dampRegress_H1SUSITMX_L2_1444642495_1200.mat
r12824
ITMY
L2
* Since the satamp swapped in on 10/14 had issues and had to be swapped out on 10/16 for another modified satamp (87685), the 'after' time is with the working modified satamp
Results:
$sussvn/QUAD/H1/ITMY/SAGL2/Results/allDampRegressCompare_H1SUSITMY_L2_NoiseComparison_1443956288vs1445199479-1200.pdf
$sussvn/QUAD/H1/ITMY/SAGL2/Results/allDampRegressCompare_H1SUSITMY_L2_1443956288vs1445199479-1200.mat
Data:
$sussvn/QUAD/H1/ITMY/SAGL2/Data/dampRegress_H1SUSITMY_L2_1443956288_1200.mat
$sussvn/QUAD/H1/ITMY/SAGL2/Data/dampRegress_H1SUSITMY_L2_1445199479_1200.mat
r12825
ETMX
L2
Results:
$sussvn/QUAD/H1/ETMX/SAGL2/Results/allDampRegressCompare_H1SUSETMX_L2_NoiseComparison_1442915673vs1445261656-1200.pdf
$sussvn/QUAD/H1/ETMX/SAGL2/Results/allDampRegressCompare_H1SUSETMX_L2_1442915673vs1445261656-1200.mat
Data:
$sussvn/QUAD/H1/ETMX/SAGL2/Data/dampRegress_H1SUSETMX_L2_1442915673_1200.mat
$sussvn/QUAD/H1/ETMX/SAGL2/Data/dampRegress_H1SUSETMX_L2_1445261656_1200.mat
r12826
ETMY
L2
* Since the satamp swapped in on 10/14 had issues and had to be swapped out on 10/24 for another modified satamp (87722), the 'after' time is with the working modified satamp
Results:
$sussvn/QUAD/H1/ETMY/SAGL2/Results/allDampRegressCompare_H1SUSETMY_L2_NoiseComparison_1442915673vs1445434776-1200.pdf
$sussvn/QUAD/H1/ETMY/SAGL2/Results/allDampRegressCompare_H1SUSETMY_L2_1442915673vs1445434776-1200.mat
Data:
$sussvn/QUAD/H1/ETMY/SAGL2/Data/dampRegress_H1SUSETMY_L2_1442915673_1200.mat
$sussvn/QUAD/H1/ETMY/SAGL2/Data/dampRegress_H1SUSETMY_L2_1445434776_1200.mat
r12827
MC1
M2
Results:
$sussvn/HSTS/H1/MC1/SAGM2/Results/allDampRegressCompare_H1SUSMC1_M2_NoiseComparison_1442005989vs1449002022-720.pdf
$sussvn/HSTS/H1/MC1/SAGM2/Results/allDampRegressCompare_H1SUSMC1_M2_1442005989vs1449002022-720.mat
Data:
$sussvn/HSTS/H1/MC1/SAGM2/Data/dampRegress_H1SUSMC1_M2_1442005989_720.mat
$sussvn/HSTS/H1/MC1/SAGM2/Data/dampRegress_H1SUSMC1_M2_1449002022_720.mat
r12828
M3
Results:
$sussvn/HSTS/H1/MC1/SAGM3/Results/allDampRegressCompare_H1SUSMC1_M3_NoiseComparison_1442005989vs1449002022-720.pdf
$sussvn/HSTS/H1/MC1/SAGM3/Results/allDampRegressCompare_H1SUSMC1_M3_1442005989vs1449002022-720.mat
Data:
$sussvn/HSTS/H1/MC1/SAGM3/Data/dampRegress_H1SUSMC1_M3_1442005989_720.mat
$sussvn/HSTS/H1/MC1/SAGM3/Data/dampRegress_H1SUSMC1_M3_1449002022_720.mat
r12829
MC2
M2
Results:
$sussvn/HSTS/H1/MC2/SAGM2/Results/allDampRegressCompare_H1SUSMC2_M2_NoiseComparison_1442007133vs1449002143-540.pdf
$sussvn/HSTS/H1/MC2/SAGM2/Results/allDampRegressCompare_H1SUSMC2_M2_1442007133vs1449002143-540.mat
Data:
$sussvn/HSTS/H1/MC2/SAGM2/Data/dampRegress_H1SUSMC2_M2_1442007133_540.mat
$sussvn/HSTS/H1/MC2/SAGM2/Data/dampRegress_H1SUSMC2_M2_1449002143_540.mat
r12833
M3
Results:
$sussvn/HSTS/H1/MC2/SAGM3/Results/allDampRegressCompare_H1SUSMC2_M3_NoiseComparison_1442007133vs1449002143-540.pdf
$sussvn/HSTS/H1/MC2/SAGM3/Results/allDampRegressCompare_H1SUSMC2_M3_1442007133vs1449002143-540.mat
Data:
$sussvn/HSTS/H1/MC2/SAGM3/Data/dampRegress_H1SUSMC2_M3_1442007133_540.mat
$sussvn/HSTS/H1/MC2/SAGM3/Data/dampRegress_H1SUSMC2_M3_1449002143_540.mat
r12834
MC3
M2
Results:
$sussvn/HSTS/H1/MC3/SAGM2/Results/allDampRegressCompare_H1SUSMC3_M2_NoiseComparison_1442005989vs1449002022-720.pdf
$sussvn/HSTS/H1/MC3/SAGM2/Results/allDampRegressCompare_H1SUSMC3_M2_1442005989vs1449002022-720.mat
Data:
$sussvn/HSTS/H1/MC3/SAGM2/Data/dampRegress_H1SUSMC3_M2_1442005989_720.mat
$sussvn/HSTS/H1/MC3/SAGM2/Data/dampRegress_H1SUSMC3_M2_1449002022_720.mat
r12830
M3
Results:
$sussvn/HSTS/H1/MC3/SAGM3/Results/allDampRegressCompare_H1SUSMC3_M3_NoiseComparison_1442005989vs1449002022-720.pdf
$sussvn/HSTS/H1/MC3/SAGM3/Results/allDampRegressCompare_H1SUSMC3_M3_1442005989vs1449002022-720.mat
Data:
$sussvn/HSTS/H1/MC3/SAGM3/Data/dampRegress_H1SUSMC3_M3_1442005989_720.mat
$sussvn/HSTS/H1/MC3/SAGM3/Data/dampRegress_H1SUSMC3_M3_1449002022_720.mat
r12831
PR3
* Not really important for these lower stages, but still wanted to note that the state of the estimator was that during the before time, P and Y were on, and and during the after time, only Y was on, and these times weren't during any of the times were we were seeing issues with the estimator damping.
M2
Results:
$sussvn/HLTS/H1/PR3/SAGM2/Results/allDampRegressCompare_H1SUSPR3_M2_NoiseComparison_1444913610vs1445321359-1200.pdf
$sussvn/HLTS/H1/PR3/SAGM2/Results/allDampRegressCompare_H1SUSPR3_M2_1444913610vs1445321359-1200.mat
Data:
$sussvn/HLTS/H1/PR3/SAGM2/Data/dampRegress_H1SUSPR3_M2_1444913610_1200.mat
$sussvn/HLTS/H1/PR3/SAGM2/Data/dampRegress_H1SUSPR3_M2_1445321359_1200.mat
r12836
M3
Results:
$sussvn/HLTS/H1/PR3/SAGM3/Results/allDampRegressCompare_H1SUSPR3_M3_NoiseComparison_1444913610vs1445321359-1200.pdf
$sussvn/HLTS/H1/PR3/SAGM3/Results/allDampRegressCompare_H1SUSPR3_M3_1444913610vs1445321359-1200.mat
Data:
$sussvn/HLTS/H1/PR3/SAGM3/Data/dampRegress_H1SUSPR3_M3_1444913610_1200.mat
$sussvn/HLTS/H1/PR3/SAGM3/Data/dampRegress_H1SUSPR3_M3_1445321359_1200.mat
r12835
SR3
M2
* This comparison is useless because there seems to have been something wrong with the 'old' satamp, S1100105. See 88706 for more info
Results:
$sussvn/HLTS/H1/SR3/SAGM2/Results/allDampRegressCompare_H1SUSSR3_M2_NoiseComparison_1443025894vs1445809419-1200.pdf
$sussvn/HLTS/H1/SR3/SAGM2/Results/allDampRegressCompare_H1SUSSR3_M2_1443025894vs1445809419-1200.mat
Data:
$sussvn/HLTS/H1/SR3/SAGM2/Data/dampRegress_H1SUSSR3_M2_1443025894_1200.mat
$sussvn/HLTS/H1/SR3/SAGM2/Data/dampRegress_H1SUSSR3_M2_1445809419_1200.mat
r12839
M3
* Not really important for these lower stages, but still wanted to note that for the before time, no estimators were on, and during the after time, only the Y estimator was on
Results:
$sussvn/HLTS/H1/SR3/SAGM3/Results/allDampRegressCompare_H1SUSSR3_M3_NoiseComparison_1443025894vs1445565979-1200.pdf
$sussvn/HLTS/H1/SR3/SAGM3/Results/allDampRegressCompare_H1SUSSR3_M3_1443025894vs1445565979-1200.mat
Data:
$sussvn/HLTS/H1/SR3/SAGM3/Data/dampRegress_H1SUSSR3_M3_1443025894_1200.mat
$sussvn/HLTS/H1/SR3/SAGM3/Data/dampRegress_H1SUSSR3_M3_1445565979_1200.mat
r12837
