ACE Weekly 06/13/03 - 06/19/03

All ACE spacecraft subsystems are performing nominally. No attitude 
maneuvers were performed this week. The next attitude maneuver is scheduled 
for 06/23/03.

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Orbit Events:

Currently in SEV transit:

Entry: 06/01/03 at 1442Z
Minimum angle: 2.18 degrees on 06/13/03 at 1618Z
Exit: 06/25/03 at 1652Z

On Friday, 6/13/03, DOY 03164, ACE was at the lowest SEZ angle (2.18 
degrees) that it has ever encountered for the life of the mission.  All 
telemetry was acquired and there were no problems commanding the vehicle.


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

NONE

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Ongoing Activities:

TAPS:
Trending, Analysis and Plotting System (TAPS) development continues with 
emphasis being placed on fixing the DRs attributed to the current release. 
Testing is progressing on both TAPS#1 and TAPS#2.   Release 4.1.5 is 
scheduled for installation on Tuesday, June 24th.

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Automation (ROBOTT):

ROBOTT Release 0.1 was installed on string 2 on 6/19/2003.   FOT testing of 
the release will begin on 6/20/2003. Testing for Command & Control has 
resumed, the first release to the FOT is still TBD.

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

DOY 03167 (06/16/2003) - ACE Anomaly Report #G03-0051 GDS 34m 
(DSS-27)  Exciter Problem
While performing the prepass briefing, the FOT was notified that the 
scheduled pass had been switched from DSS-27 to DSS-16 due to 
transmitter/exciter problems. All nominal pass activities were performed 
with DSS-16. IMPACT:  None.  Station switch occurred during Pre-Cal.  DR # 
G102898.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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
Email: gamiller@pop500.gsfc.nasa.gov
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~