ACE Weekly 04/05/2011 - 04/11/2011

SEPICA entered Standby mode (again) Monday 04/04/2011 (14:24:39z).
Discussions are underway about powering off SEPICA permanently.  All
other ACE spacecraft subsystems are performing nominally.

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Orbit/Attitude:

No maneuvers were performed this week.  The next attitude maneuver is
scheduled for Tuesday 04/19/2011.

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OCRs:

None


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Activities:

Data Capture:  100%  DOY 093-0100 2011

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Anomalies:

DOY 094  04/04/2011  S-ACE-0596  S11-0001  SEPICA Standby Mode (updated)
2011-081-11:45:44              SEPICA switched to Standby Mode
2011-091-17:07:00 to 19:11:00  SEPICA power cycled
2011-094-14:24:39              SEPICA switched to Standby Mode again
IMPACT:  Discussions are underway about powering off SEPICA permanently.

DOY 095  04/05/2011  S-ACE-0603  G11-0028  NOAA Space Weather Down
NOAA Space Weather Prediction Center (SWPC) was experiencing problems
with their systems at the start of the ACE pass and the MMOC was unable
to connect.  The MMOC disconnected from NOAA SWPC to avoid excessive
"reconnect" messages and manually reconnected when NOAA SWPC was back up
at BOT+1 hour.
IMPACT:  The MMOC software automatically reconnects until a successful
connection is established.  However, it might be worth reducing the
number of "reconnect" messages that the software generates.

DOY 096  04/06/2011  S-WIND-0413          ITOS tm_controller
Before Beginning Of Track, ITOS had problems connecting telemetry,
"timeout reading from tm_controller".  ITOS was stopped and restarted
and the WIND pass was taken successfully.  CDSID#00027515
IMPACT:  Manual intervention required.