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November 1997
 
==============================================================================
DATE:  01-November-1997
DOY: 305
OPERATIONS ENGINEER(S): E. Donaldson
SCIENTIST: C. Haskell
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  02-November-1997
DOY: 306
OPERATIONS ENGINEER(S): E. Donaldson / C. Haskell
SCIENTIST: C. Haskell
CDS INSTRUMENT:
  A parity error occured in the secondary (science) processor memory space.
  The secondary processor was rebooted at 20:35 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  03-November-1997
DOY: 307
OPERATIONS ENGINEER(S): C. Haskell / R. Yurow
SCIENTIST: C. Haskell
CDS INSTRUMENT:
  A parity error occured in the secondary (science) processor memory space.
  The secondary processor will be rebooted tommorow.
CDS GROUND SYSTEM: 
  The current fits disk was changed to /cdsfits15
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  04-November-1997
DOY: 308
OPERATIONS ENGINEER(S): C. Haskell / R. Yurow
SCIENTIST: C. Haskell
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  05-November-1997
DOY: 309
OPERATIONS ENGINEER(S): C. Haskell / R. Yurow
SCIENTIST: C. Haskell
CDS INSTRUMENT:
  The secondary (science) processor was rebooted at 18:55 UT.
CDS GROUND SYSTEM: 
  The study largebp2_45 was imported to the EOF.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  06-November-1997
DOY: 310
OPERATIONS ENGINEER(S): C. Haskell / R. Yurow
SCIENTIST: C. Haskell
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS: 
  A class X solar flare occured at 11:55 UT resulting in degraded
  observations due to the large stream of charged particles which
  enveloped the inststrument.  
==============================================================================
DATE:  07-November-1997
DOY: 311
OPERATIONS ENGINEER(S): C. Haskell / R. Yurow
SCIENTIST: C. Haskell
CDS INSTRUMENT: 
  A parity error occured on the secondary (science) processor.  The secondary
  processor was restarted at 16:02 UT.
  A Setup Register A Failure occured on the NIS.  The NIS was reset.  
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
  Degraded observations from the solar flare on DOY 310 continue.
==============================================================================
DATE:  08-November-1997
DOY: 312
OPERATIONS ENGINEER(S): C. Haskell
SCIENTIST: C. Haskell
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
  Degraded observations from the solar flare on DOY 310 continue.
==============================================================================
DATE:  09-November-1997
DOY: 313
OPERATIONS ENGINEER(S): C. Haskell
SCIENTIST: C. Haskell
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
  Degraded observations from the solar flare on DOY 310 continue.
==============================================================================
DATE:  10-November-1997
DOY: 314
OPERATIONS ENGINEER(S): C. Haskell / R. Yurow
SCIENTIST: S. White
CDS INSTRUMENT: 
  The CDS instrument stopped accepting commands during the telemetry submode
  switch at 15:58 UT.  CDS was rebooted at 15:53 and was nominal afterwards.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  11-November-1997
DOY: 315
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: S. White
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM:
  The following studies were imported to the EOF:
	o_loop1_4.def    
	o_loop2_5.def    
	o_loop3_7.def    
	o_spot3_3.def    
	o_spot4_1.def    
	mpenn_1_2.def    
	sertscl2_31.def 
	sertscl2_32.def
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  12-November-1997
DOY: 316
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: S. White
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  13-November-1997
DOY: 317
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: S. White
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  14-November-1997
DOY: 318
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: S. White
CDS INSTRUMENT: 
  Switched to CDS High Rate telemetry submode at 18:05 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  15-November-1997
DOY: 319
OPERATIONS ENGINEER(S): R. Yurow / A. Hammond
SCIENTIST: A. Fludra
CDS INSTRUMENT: 
  The GIS detector 1 tripped at 7:26 UT.
  A Watchdog error occured at 21:37 UT.  The recovery procedure was completed
  at 2:01 UT on DOY 320.  The science plan will resume at 6:59 UT on DOY 
  320.  CDS is nominal after the recovery
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  16-November-1997
DOY: 320
OPERATIONS ENGINEER(S): R. Yurow / E. Donaldson
SCIENTIST: A. Fludra
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  17-November-1997
DOY: 321
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The following studies were imported to the EOF:
	blink_hi_10.def  
	blink_st_9.def
  The telemetry archive disk was switched to /cdsd4
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  18-November-1997
DOY: 322
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT: 
  A parity error occured in the primary processor memory space.  Since it
  appears to be in a safe location, no reboot is necessary.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: SERTS rocket support, Science Operations.
COMMENTS:
  The SERTS rocket was launched at 19:35 UT. 
==============================================================================
DATE:  19-November-1997
DOY: 323
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT:
  An Emergency Sun Reaquisition occured at 14:42 UT.  CDS shut its doors and
  went into STANDBY mode.  Instrument temperatures continue to drop, 
  especially for the NIS and GIS which are turned off, but otherwise CDS is
  nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations, Engineering Monitoring
COMMENTS:
  A Spacecraft Emergency was declared for SOHO at 21:50 UT. 
==============================================================================
DATE:  20-November-1997
DOY: 324
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT:
  A telemetry submode change to submode 5 (CDS Medium Rate) occured at
  7:03 UT.
  The CDS recovery from the Emergency Sun Reaquisition was completed at
  22:51 UT.  CDS is nominal after the recovery.  
  The CDS doors were opened at 19:16 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Instrument Recovery
COMMENTS:
  The recovery of SOHO from the ESR was completed at 15:49 UT.
==============================================================================
DATE:  21-November-1997
DOY: 325
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: D. Zarro
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM:
  The following studies were imported to the EOF:
	blink_hi_11.def
	blink_st_12.def
	sitnstar_1.def
  A software update was performed at 23:30 UT.
DAY PLAN: Science Operations
COMMENTS:
==============================================================================
DATE:  22-November-1997
DOY: 326
OPERATIONS ENGINEER(S): A. Hammond
SCIENTIST: O. Wikstol
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  23-November-1997
DOY: 327
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  GIS detectors 1 and 2 tripped at 17:38 UT on DOY 326.  They were reset 
  at 21:16 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  24-November-1997
DOY: 328
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  GIS detector 4 tripped at 17:38 UT on DOY 326.  It was reset at 22:19 UT.
  A telemetry submode change to submode 3 (CDS High Rate) occured at 16:05 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  25-November-1997
DOY: 329
OPERATIONS ENGINEER(S): R. Yurow/C. Haskell
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  26-November-1997
DOY: 330
OPERATIONS ENGINEER(S): R. Yurow/C. Haskell
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  27-November-1997
DOY: 331
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  A parity errror was detected in the secondary (science) processor memory
  space.  The secondary processor will be rebooted tommorow.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  28-November-1997
DOY: 332
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  A telemetry submode switch to submode 5 (CDS Medium Rate) occured 
  at 23:48 UT
  The secondary (science) processor was rebooted at 00:07 UT on DOY 333.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  29-November-1997
DOY: 333
OPERATIONS ENGINEER(S): R. Yurow / E. Donaldson
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  A parity errror was detected in the primary processor memory space.
  The doors were closed at 15:15 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Close Doors, Spacecraft Maneuvers
COMMENTS:
==============================================================================
DATE:  30-November-1997
DOY: 334
OPERATIONS ENGINEER(S): R. Yurow / A. Hammond
SCIENTIST: O. Wikstol
CDS INSTRUMENT: 
  The doors were opened at 22:29 UT.
  A parity errror was detected in the primary processor memory space.
  Due to the parity error being in an unsafe location, the CDS instrument
  was rebooted at 6:25 UT on DOY 335.  During the reboot, the patch on the
  GIS had to be reloaded.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Open Doors
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 Tuesday (17/Jul/2001) at 08:59.