SOT Shift Report 2009-08-26 L3686 (retroactive) This retroactive report (from Mike Juda's e-mail) gives a brief description of the MUPS thruster test performed on August 26, 2009 at 15:30 UT. August 26, 2009 12:46 PM local time: Starting at 15:30UT today we performed the planned MUPS diagnostic thruster firing. The firing performed nominally and there were no unexpected momentum or thermal disturbances. The observed thrust effectiveness was at 95% of the calibration, in-line with the thrust observed during the last few momentum dumps. This indicates that there has been NO CHANGE in MUPS tank pressure!!! It appears that the readings are faulty.