ACE Weekly ACE Weekly 09/11/2012 - 09/17/2012

All ACE spacecraft subsystems are performing as expected.

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Orbit/Attitude:

No maneuvers were completed this week.  The next attitude maneuver is
scheduled for Monday 09/24/2012.

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OCRs:

None


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Activities:

Data Capture:  100%  DOY 253-260 2012

The WS1 ground antenna continues to investigate their telemetry
timestamp which has 2 problems: 1) the time occasionally reads 1/1/2012
0000z and 2) the millisecond field isn't populated.  A 3 hour
engineering test with all pass activities has not yet been scheduled.

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Anomalies:

DOY 258  09/14/2012  S-ACE-0650  G12-0012  Power Failure Goldstone
DSN's Goldstone site had a power failure (voltage sag) and the ACE pass
scheduled with DSS-27 was lost.  DR#G113221
IMPACT:  No data loss.  A range only pass was converted to a no-ranging
tracking pass.  Playback was caught up over several days.  NOAA SWPC did
not lose data as the spacecraft remained in RTSW format.

DOY 259  09/15/2012  S-ACE-0647  G12-0009  DSN TLM SLE Provider
The MMOC SLE Software (MUS) was unable to connect to DSN TLM SLE
Provider (ECONNREFUSED).  The FOT requested that JPL restart their SLE
process which fixed the problem.  This problem last occurred on
9/03/2012.
IMPACT:  Activities delayed 32 minutes.  No impact to NOAA SWPC since
the spacecraft was in RTSW during this time.