ACE Weekly 06/10/05 - 06/16/05

All ACE spacecraft subsystems are performing nominally.

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Orbit/Attitude:

	Type         Attitude
	Date         06/15/05
	DOY          166 2005
	Thrusters    2R 4R+ 4R-
	Duration     10:24 min
	Start Time   16:08:08z
	Stop Time    16:18:32z
	Firing       53 pulses

The next attitude maneuver is scheduled for Wednesday 06/29/05.

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OCRs:

None

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Ongoing Activities:

Space Link Extension (SLE) - The requirements document has been baselined.
The test plan is near completion with a target completion date of 06/30/05.
Next ACE JPL telecon scheduled for 07/21/05.

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Extra Activities:

DOY 167 (06/16/05) SSR B 30 Telemetry Sections downlinked.  No new Single
Bit errors (correctable) found.

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Anomalies:

DOY 161 (06/10/05) ACE Anomaly G05-0081  GSFC Bldg 14 Chilled Water/Power
The GSFC Bldg 14 chilled water pipe burst and power outages resulted in loss
of network and telemetry from 17:31:42z to End-Of-Track (18:00:00z).
Strings 2 and 3 were shutdown properly in case of UPS failure.  No UPS
failure occurred and String 1 was able to support all passes for the
weekend.  Strings 2 and 3 were restored on Monday.
IMPACT:  28 minute loss of telemetry at end of pass.  End of pass spacecraft
checkout not completed.  ROBOTT notifications were delayed until network was
restored.

DOY 163 (06/12/05) ACE Anomaly G05-0082  MDS (DSS-66) Transmitter Problems
Station was able to correct problems with S-Band Exciter (SBE2) at BOT by
manually reloading presets and recalibrating.
IMPACT:  Activities delayed 12 minutes.