ACE Weekly 10/22/04 - 10/28/04

All ACE spacecraft subsystems are performing nominally.  No maneuvers 
executed this reporting period.  The next attitude maneuver is scheduled 
for 11/05/04.

============================================================================
Orbit Events:

Next SEZ transit will run from 11/14/04 to 12/09/04.
   - Minimum SEV angle of approximately 0.83 deg.

Minimum SEV angles of 2005 transits will be greater with each event.

=====================================================================
OCRs Executed:

None

=====================================================================
Ongoing Activities:

TAPS:
- TAPS Release 4.3 was installed on the Prime System on 10/13/04.
   -- FOT regression testing is in progress.
           --- No problems to report.

----------------------------------------------------------------------------
Automation (ROBOTT):

- ROBOTTv0.9 delivered to String 1 on 09/27/03 (OCR GND_145).
   --  Performing operations in "Auto" mode on String 1.
   -- 13 DR fixes in this release.
         --- 12 DRs have been verified by the FOT to date.
           ---  The last DR to be verified will require ROBOTT to be 
observed over a period
                 of time to ensure no reoccurrence of the problem.
   --  10 DRs have been written against this release.

- Lights-out testing of the ROBOTT system without immediate FOT 
intervention continues.

============================================================================
Extra Spacecraft Activities:

None

=====================================================================
Anomalies:

DOY 04295 (10/22/04) ACE Anomaly G04-0123 - GDS 34m (DSS-27) Telemetry Dropped
FOT initiated a schedule change during pass to change EOT time.  Email was 
sent to OPS Chief changing EOT time from 22:25Z to 23:00Z.  DSS-27 operator 
was unaware of change and dropped telemetry at original EOT time.  Upon 
being advised of change DSS-27 operator put telemetry back 
on-line.  IMPACT:  None.  All telemetry subsequently retrieved via SSR.

DOY 04302 (10/28/04) ACE Anomaly G04-0124 - ADS Display Froze
FDF personnel attempted to run ADS software and display froze.  The process 
was killed and software was rebooted.  IMPACT:  None.  FDF obtained 
attitude solution at end of pass.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Glen A. Miller
ACE Flight Operations Observatory Engineer
Honeywell Technology Solutions Inc.
Goddard Space Flight Center
Building 14, Room W10A
Mail Stop 428.2
Greenbelt, MD 20771

Office: 301-286-7071
Pager: 800-425-3174
Fax:    301-286-1729
gamiller@pop500.gsfc.nasa.gov
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~