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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 16 FEBRUARY 2001:

COMPLETED LIQUID HELIUM FILL OPERATIONS PRIOR TO ACOUSTIC TEST
The first two of five scheduled fill operations have been successfully completed on the GP-B Payload in the LM B/159 Acoustic Cell. Final accelerometer installations are also currently underway. Fill operations are expected to complete early next week.

Photo: Mike Taber, Tom Welsh, and Fernando Revilla with the GP-B Integrated Payload in the B/159 Acoustic Cell during fill operations.

COMPLETED ECU EMI TEST
EMI testing has been completed. The ECU is being prepared to move to the TV chamber for the UV investigation.

COMPLETED SRE DAS BOARD REWORK
The Fwd SRE DAS boards have been reworked and are being conformally coated. The board installation in the forward box should be completed by Monday. The forward TRR will be held on 16 Feb. The aft unit power supply boards are back from Zentek and will be in test this week. Following test the boards will be conformally coated.

Photo: None Available

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