ACE Weekly 09/27/02 - 10/03/02

All ACE spacecraft subsystems are performing nominally. An attitude 
maneuver was executed this week with no problems to report. The next 
attitude maneuver is scheduled for 10/04/02.

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OCRs Executed:

NONE

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Ongoing Activity:

The HGA Angle Constraint Report is being reviewed and will be released in 
the near future.

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Anomalies:

DOY 02270 (09/27/02) ACE Anomaly #G02-0110 GDS(DSS-27) Telemetry Group 
Controller (TGC) Failure
Telemetry was offline from 17:02:18 to 17:08:04 due to a lost interface 
with the TGC. TGC was rebooted but later failed at 17:17:02 causing a loss 
of telemetry until 17:21:16. The station switched to the backup TGC and 
pass activities continued. IMPACT: None. All telemetry lost was recovered 
on the next pass. DR #G101635


DOY 02273 (09/30/02) ACE Anomaly #S02-0022 SWICS PAP -5V RH Limit Violation
At 15:35:30 SSCPAM5V read -4.5V for 24 seconds violating the limit value of 
-4.5V. IMPACT: Under investigation.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Glen A. Miller
Honeywell Technology Solutions Inc.

ACE Flight Operations Team
Goddard Space Flight Center
Building 14, Room W10A
Mail Stop 428.2
Greenbelt, MD 20771

Office: 301-286-7071
Fax:    301-286-1729
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~