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April 2002
 
=============================================================================
DATE:1-April-2002
DOY: 091
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Gallagher
CDS INSTRUMENT: 
  A VDS Register A Failure was detected.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:2-April-2002
DOY: 092
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Gallagher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:3-April-2002
DOY: 093
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Gallagher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:4-April-2002
DOY: 094
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Gallagher
CDS INSTRUMENT: 
  An error was detected on the Primary Processor at memory location
#80016447 (Two Transputer). SAFE.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:5-April-2002
DOY: 095
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Gallagher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  A telemetry submode change was made from submode 6 to submode 5 @ 16:46 UT.
CDS is nominal after the submode change.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:6-April-2002
DOY: 096
OPERATIONS ENGINEER(S): B. Donaldson
SCIENTIST: P. Gallagher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:7-April-2002
DOY: 097
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: P. Gallagher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:8-April-2002
DOY: 098
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:9-April-2002
DOY: 099
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:10-April-2002
DOY: 100
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: 
  GIS detector 1 tripped at 23:48 UT during GIMCP2 study.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:11-April-2002
DOY: 101
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: 
  GIS detector 1 was reset at 22:28 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:12-April-2002
DOY: 102
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:13-April-2002
DOY: 103
OPERATIONS ENGINEER(S): B. Donaldson
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:14-April-2002
DOY: 104
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:15-April-2002
DOY: 105
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:16-April-2002
DOY: 106
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:17-April-2002
DOY: 107
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:18-April-2002
DOY: 108
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: 
  A Mechanism Lubrication study was completed at 18:15 UT.
  A VDS reset was completed at 18:40 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:19-April-2002
DOY: 109
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:20-April-2002
DOY: 110
OPERATIONS ENGINEER(S): B. Donaldson
SCIENTIST: T. Fredvik
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:21-April-2002
DOY: 111
OPERATIONS ENGINEER(S): R. Yurow / C. Maroney
SCIENTIST: T. Fredvik
CDS INSTRUMENT: 
  A primary memory error was detected at address #80060db3.
  The science plan was aborted at 04:22 UT and the high voltage was disabled
to both the NIS & GIS detectors in order to safe for a proton storm.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:22-April-2002
DOY: 112
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: P. Young
CDS INSTRUMENT: 
  A primary memory error was detected at address #8000448b.
  A CDS reboot was initiated at 22:47 UT with a transition to STANDBY mode,
followed by SNOOZE mode at 22:56 UT.  A WATCHDOG error was triggered at 22:53
to reset the CDHS.  Recovery operations completed nominally at 23:54 UT.
Finally, the NIS & GIS high voltages were disabled due to an ongoing proton
storm.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Monitor Proton Storm, CDS Recovery.
COMMENTS: MEDOC Campaign
=============================================================================
DATE:23-April-2002
DOY: 113
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Young
CDS INSTRUMENT: 
  CDS high voltages to both the GIS and the NIS were reenabled to 20:26 UT.
  The science plan was resumed at 21:45 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: CDS Recovery.
COMMENTS: MEDOC Campaign
=============================================================================
DATE:24-April-2002
DOY: 114
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Young
CDS INSTRUMENT: 
  A VDS Register A Failure was detected.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: MEDOC Campaign
=============================================================================
DATE:25-April-2002
DOY: 115
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Young
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The file study_counter_anomaly.dat was updated.
DAY PLAN: Science Operations.
COMMENTS: MEDOC Campaign
=============================================================================
DATE:26-April-2002
DOY: 116
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: P. Young
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: MEDOC Campaign
=============================================================================
DATE:27-April-2002
DOY: 117
OPERATIONS ENGINEER(S): B. Donaldson
SCIENTIST: P. Young
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: MEDOC Campaign
=============================================================================
DATE:28-April-2002
DOY: 118
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: P. Young
CDS INSTRUMENT: 
  A parity error was detected in the Secondary (Science) processor memory
space at address #8006ca73.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: MEDOC Campaign
=============================================================================
DATE:29-April-2002
DOY: 119
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: J. Ireland
CDS INSTRUMENT: 
  A parity error was detected in the Secondary (Science) processor memory
space at address #8007ca1f.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE:30-April-2002
DOY: 120
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: J. Ireland
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
=============================================================================


From the CDS Operations Management Team in the Space Science & Technology Department at CCLRC Rutherford Appleton Laboratory
Site maintained by John Rainnie.
Last revised on Friday ( 7/Sep/2001) at 14:11.