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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 25 SEPTEMBER 1998:

STANFORD HIGHLIGHT
Dale Gill and Larry Novak have successfully completed recoating two quartz rotors. Each of these rotors has a mass unbalance of better than 0.5 microinches, thus making them suitable for flight. Also, the prototype for the GPS enclosure has been delivered and is in test.

SPACE VEHICLE HIGHLIGHT
The Relativity Mission Electronics Product Development Team, along with LMMS Quality Assurance, visited Spectrum Astro, Gilbert Arizona for a review of the test procedures and inspection of the flight Attitude Control Electronics Box prior to conformal coating. Several action items were purposed and have since been closed in preparation for the formal acceptance test sequence. Photo: LMMS Quality Assurance representative Rusty Gray performing an inspection of the Attitude Control Electronics box thruster drive electronics board.

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