Skip navigation

Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 9 FEBRUARY 2001:

PREPARATIONS FOR ACOUSTIC TEST ARE ON TRACK
The flight sunshade has been installed to the GP-B Integrated Payload, the Payload has been tilted to the vertical orientation and positioned within the B/159 Acoustic Cell. There was a non-critical anomaly in the fill line burst disk. The anomaly resolution plan is in place, the fill operations have resumed, and the acoustic test should take place about one week from now.

Photo: LM Test Services Technicians Dave Martin (on lift) and Steve van Keulen (running crane) during preparations for tilting the GP-B Integrated Payload to its vertical orientation in the B/159 Acoustic Cell.

ECU EMI TEST NEARLY COMPLETE
The ECU has essentially completed EMI testing and data is being reviewed; to date all data is within spec. This week, the UV investigation in the TV chamber is scheduled to start.

SRE BOARDS ARE IN TEST
The Fwd SRE (Squid Readout Electronics) DAS boards have been reworked and are being tested. Following testing, the boards will be conformally coated. Work should be completed by Monday. The forward TRR will then be held prior to the start of pyroshock and random vib testing of the two forward units. The aft unit power supply boards are back from Zenek and will be in test this week. Following test the boards will be conformally coated.

Photo: The Aft SRE unit.

<<Previous Highlight   Next Highlight>>

Index of Highlights