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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 11 December 1998:

STANFORD HIGHLIGHT
Under Dr. John Goebel's direction, cryogenic shake tests were successfully conducted on a DMA thermal mount. The shake level was 4.2 g rms. Two shakes of 60 s each along each of the X, Y, and Z axes were conducted. The DMA was visually monitored and electrically tested. (Click on small picture and see 2nd picture.)

SPACE VEHICLE HIGHLIGHT
The TDRSS transponder engineering unit has been successfully interfaced with the Relativity Mission flight software in the Integrated Test Facility. The transponder and its associated RF components were also successfully fit checked onto its spacecraft flight equipment pallet. Photo: LMMS Engineer Shawn Shelton performing RF component fit check on the 2F8

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