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PRECOLL
Static Version: Mean --- Last Three Months

One Week Three Month One Year Five Year Full Range Min Mean Max

Delta/Yr below is a slope of the linear fitting over the data of the period. Delta/Yr/Yr is a slope of the liner fitting over the devivative data of the period. Slope listed on a linked plot is the slope computed on the last few periods of the data to show the direction of the trend, and different from that of Delta/Yr.

MSID MeanRMSDelta/YrDelta/Yr/YrUnitDescriptionLimit Violation
4prt1at 0.0022.707e-04(2.14+/-0.01)e20.15 +/- 0.13KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -6.922e-13999.000(1.48+/-0.00)e2(1.24+/-0.10)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 0.0022.838e-04(2.13+/-0.01)e20.15 +/- 0.13KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 0.0016.688e-05(1.47+/-0.00)e20.11 +/- 0.06KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 4.277e-045.925e-05(2.58+/-0.00)e20.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 7.494e-045.314e-05(1.48+/-0.00)e20.04 +/- 0.03KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 0.0012.384e-04(2.16+/-0.01)e20.16 +/- 0.11KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt 7.658e-097.094e-08(1.48+/-0.00)e2(1.27+/-0.10)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 0.0023.309e-04(2.11+/-0.01)e20.18 +/- 0.15KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 6.972e-045.110e-05(1.48+/-0.00)e20.01 +/- 0.02KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

If you have any questions, please contact swolk@cfa.harvard.edu.

Data Updated: Jan 11, 2026
Last Site Modification: Sep 30, 2021