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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 25 FEBRUARY 2000:

STANFORD HIGHLIGHT
The data analysis group has successfully performed an end-to-end verification of an important part of the science mission data handling and data reduction system. 12 hours of simulated data was run through the level 1 and level 2 data handling system. The test was performed in a "blind" manner so that the correct result was not known by the subgroup providing the calculated result. The team members involved in this work include J. Berberian, M. Heifetz, M. Keiser, A. Kretchetov, J. Lei, and A. Silbergleit.

Photo: None available

SPACE VEHICLE HIGHLIGHT
The GP-B team successfully completed room-temperature thermal testing of Probe C at Stanford University. The tests were designed to measure thermal conductivity at each heat station with the Probe under vacuum in the horizontal and vertical orientations. The data is being analyzed to determine if more tests would be valuable.

Photo: LMMS QA Engineer Mike Sisley with Probe C in the Stanford Class 10 Cleanroom.

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