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April 2004
 
=============================================================================
DATE: 1-Apr-2004
DOY: 092
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: D. Bewsher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 2-Apr-2004
DOY: 093
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: D. Bewsher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 3-Apr-2004
DOY: 094
OPERATIONS ENGINEER(S): J. Siedel / C. King
SCIENTIST: D. Bewsher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 4-Apr-2004
DOY: 095
OPERATIONS ENGINEER(S): J. Siedel / C. King
SCIENTIST: D. Bewsher
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 5-Apr-2004
DOY: 096
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 6-Apr-2004
DOY: 097
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The following study was imported to the EOF:
    flaredop_3.def
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 7-Apr-2004
DOY: 098
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM:
  cdsa6 was brought in to the EOF.
  cds10 crashed because of an overlooked mount to cdsa6.  cds10 was rebooted
and planning continued.  cdso8 apparently was hung for the same reason.  The
hosts file was updated with cdsa6's new IP address and the CDS cluster was
automount restarted.  cdsa6 was online and all machines seemed to be nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 8-Apr-2004
DOY: 099
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  cdsa6:
    - copied auto.direct from cds10 to cdsa6.
    - added soho-archive mounts to fstab to reflect cds10 mounts.
    - changed link to /cs directory.
    - relogged (all login scripts ran).
    - successfully tested XCAT, STM, Image Tool, and planning tool (imported
      plan).
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 9-Apr-2004
DOY: 100
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 10-Apr-2004
DOY: 101
OPERATIONS ENGINEER(S): J. Seidel / C. King
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 11-Apr-2004
DOY: 102
OPERATIONS ENGINEER(S): J. Seidel / C. King
SCIENTIST: T. Kucera
CDS INSTRUMENT: 
  Parity errors in the primary processor memory apsce were detected at
addresses: #8007155b and #800706db.  Both errors are in unused memory.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 12-Apr-2004
DOY: 103
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The following raster duration was changed:
    FLAREDOP    rid/136    var/3    680s - 690s.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 13-Apr-2004
DOY: 104
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  A Telemetry Submode change (from submode 6 to submode 5) occurred at
16:05 UT.  CDS Nominal after submode change.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 14-Apr-2004
DOY: 105
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The command rate was reset to 1/10s at 21:12 UT in order to enable
commanding on DSN-27.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 15-Apr-2004
DOY: 106
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 16-Apr-2004
DOY: 107
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 17-Apr-2004
DOY: 108
OPERATIONS ENGINEER(S): J. Seidel / C. King
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 18-Apr-2004
DOY: 109
OPERATIONS ENGINEER(S): J. Seidel / C. King
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 19-Apr-2004
DOY: 110
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The following raster duration change was made:
    MPAE_1    rid/11    var/92    905s - 910s.
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 20-Apr-2004
DOY: 111
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 21-Apr-2004
DOY: 112
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: 
  SOHO went int ESR Mode at 05:27 UT.  CDS went to STANDBY and FOT turned on
Substitution heaters (duty cycle according to OCD).
  FOT incedentially came out of ESR mode in Submode 6 (instead of submode 5),
so a Telemetry Submode change occurred at 22:02 UT (submode 6 to submode 5).
CDS Nominal after submode change (considering STANDBY mode Nominal).
  Recovery procedures will begin on the next available station.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: No Science Operations
COMMENTS: 
=============================================================================
DATE: 22-Apr-2004
DOY: 113
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: 
  CDS was brought down to SNOOZE mode at 01:28 UT to begin the process of
recovering from ESR.  The primary processor was rebooted by a CB3RESET at
01:25 UT.  The LOBT was reset at 01:29 UT.  At 01:47 UT CDS was returned to
STANDBY mode and at 02:13 UT it was brought up to READY_BOTH.  Recovery
operations were completed at 02:52 UT.
  CDS is nominal in READY_BOTH with both doors shut and no science
plan.  Temperatures appear to be stabilizing following shut off of CDS
spacecraft substitution heaters.

  At 07:27 UT, SOHO went int ESR Mode during a gap.  CDS went to STANDBY and
FOT turned on spacecraft substitution heaters at ~11:22 UT.

  SOHO experienced another ESR at 16:12 UT, while FOT was recovering in
CRP mode.  CDS remained in STANDBY mode.

  Substitution heaters were turned off to begin CDS recovery procedures.  
CDS was brought down to SNOOZE mode at 20:31 UT to begin the process of
recovering from ESR.  The primary processor was rebooted by a CB3RESET at
20:33 UT.  The LOBT was reset at 20:34 UT.  At 20:51 UT CDS was returned to
STANDBY mode and at 21:08 UT it was brought up to READY_BOTH.  Recovery
operations were completed at 21:31 UT.
  Currently CDS is nominal in READY_BOTH with both doors shut and no science
plan and ESR flag disabled.  Temperatures appear to be stabilizing following 
shut off of CDS spacecraft substitution heaters.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: No Science Operations.
COMMENTS: 
=============================================================================
DATE: 23-Apr-2004
DOY: 114
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: No Science Operations.
COMMENTS: CDS in READY_BOTH mode, Doors shut, ESR flag disabled.
=============================================================================
DATE: 24-Apr-2004
DOY: 115
OPERATIONS ENGINEER(S): J. Seidel / C. King
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: No Science Operations.
COMMENTS: CDS in READY_BOTH mode, Doors shut, ESR flag disabled.
=============================================================================
DATE: 25-Apr-2004
DOY: 116
OPERATIONS ENGINEER(S): J. Seidel / C. King
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: No Science Operations.
COMMENTS: CDS in READY_BOTH mode, Doors shut, ESR flag disabled.
=============================================================================
DATE: 26-Apr-2004
DOY: 117
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: No Science Operations.
COMMENTS: CDS in READY_BOTH mode, Doors shut, ESR flag disabled.
=============================================================================
DATE: 27-Apr-2004
DOY: 118
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: No Science Operations.
COMMENTS: CDS in READY_BOTH mode, Doors shut, ESR flag disabled.
=============================================================================
DATE: 28-Apr-2004
DOY: 119
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: 
  CDS was placed back in the ESR warning flag list at ~20:50 UT.
  CDS doors were opened at 21:08 UT.  The science plan will resume at 
00:00 UT - DOY 120.
CDS GROUND SYSTEM: 
  The IWS command rate was reset to 1/10 seconds at 20:53 UT in order to
allow commanding on DSN-27. 
DAY PLAN: CDS Recovery, No Science Operations.
COMMENTS:
=============================================================================
DATE: 29-Apr-2004
DOY: 120
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal. 
DAY PLAN: Science Operations.
COMMENTS: 
=============================================================================
DATE: 30-Apr-2004
DOY: 121
OPERATIONS ENGINEER(S): C. Maroney / R. Yurow
SCIENTIST: A. Fludra / P. Young (RAL)
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The IWS command rate was reset to 1/10 seconds at 21:50 UT. 
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.