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April 1999
 
==============================================================================
DATE:  01-Apr-1999
DOY: 91
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: T. Kucera
CDS INSTRUMENT:
  A parity error was detected in the primary processor memory space.  Since
  the parity error does not appear to be in a harmful location, no reboot
  will be done at this time.
  GIS detector 3 tripped at 11:40 UT.  The cause is currently under 
  investigation.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  02-Apr-1999
DOY: 92
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: T. Kucera
CDS INSTRUMENT:
  The secondary (science) processor was rebooted at 11:58 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  03-Apr-1999
DOY: 93
OPERATIONS ENGINEER(S): E. Donaldson, W. Hammond
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  04-Apr-1999
DOY: 94
OPERATIONS ENGINEER(S): E. Donaldson, W. Hammond
SCIENTIST: T. Kucera
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  05-Apr-1999
DOY: 95
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: J. Ireland
CDS INSTRUMENT:
  A parity error was detected in the secondary (science) processor memory
  space.  The secondary processor will be rebooted on DOY 97.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  06-Apr-1999
DOY: 96
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: J. Ireland
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  07-Apr-1999
DOY: 97
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: J. Ireland
CDS INSTRUMENT: 
  The secondary (science) processor was rebooted at 16:15 UT.
  A lubrication study was completed at 17:19 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  08-Apr-1999
DOY: 98
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: J. Ireland
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  09-Apr-1999
DOY: 99
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: J. Ireland
CDS INSTRUMENT:
  GIS detector tests were conducted for 11:00 UT to 15:30 UT.
  Two parity errors were detected in the secondary (science) procesor
  memory space. The secondary processor will be rebooted when convenient.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  10-Apr-1999
DOY: 100
OPERATIONS ENGINEER(S): C. Maroney
SCIENTIST: J. Ireland
CDS INSTRUMENT:
  A parity error was detected in the primary processor memory space.  The 
  parity error was in an unsafe location, however, it is believed operations
  can continue without a reboot.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  11-Apr-1999
DOY: 101
OPERATIONS ENGINEER(S): C. Maroney
SCIENTIST: J. Ireland
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  12-Apr-1999
DOY: 102
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: W. Thompson
CDS INSTRUMENT: 
  A sequence abort occured at 07:22 UT, apparently due to a corrupted sequence
  table.  The anomaly is still under investigation.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  13-Apr-1999
DOY: 103
OPERATIONS ENGINEER(S): R. Yurow
SCIENTIST: W. Thompson
CDS INSTRUMENT: 
  The CDHS was rebooted in order to clear a numuber of parity errors.  The
  reboot was completed at 13:34 UT and science was resumed at 14:00 UT. 
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  14-Apr-1999
DOY: 104
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: W. Thompson
CDS INSTRUMENT: Nominal. 
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  15-Apr-1999
DOY: 105
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: W. Thompson
CDS INSTRUMENT: 
  GIS detector tests were performed from 15:30 UT to 22:00 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  16-Apr-1999
DOY: 106
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: W. Thompson
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  17-Apr-1999
DOY: 107
OPERATIONS ENGINEER(S): E. Donaldson
SCIENTIST: W. Thompson
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  18-Apr-1999
DOY: 108
OPERATIONS ENGINEER(S): W. Hammond
SCIENTIST: W. Thompson
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  19-Apr-1999
DOY: 109
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: A. Fludra
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The following studies were imported to the EOF:
	efinar_1_50.def
	efinar_2_43.def
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  20-Apr-1999
DOY: 110
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: A. Fludra
CDS INSTRUMENT: 
  GIS Detector tests were conducted from 10:45 UT to 15:30 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  21-Apr-1999
DOY: 111
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: A. Fludra
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The following studies were imported to the EOF:
	sertsc13_46.def
  The fits archive disk was switched to /cdsfits25
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  22-Apr-1999
DOY: 112
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: A. Fludra
CDS INSTRUMENT: 
  GIS Detector tests were conducted from 10:00 UT to 14:00 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  23-Apr-1999
DOY: 113
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: A. Fludra
CDS INSTRUMENT: 
  GIS Detector tests were conducted from 10:45 UT to 14:00 UT.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  24-Apr-1999
DOY: 114
OPERATIONS ENGINEER(S): E. Donaldson
SCIENTIST: A. Fludra
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  25-Apr-1999
DOY: 115
OPERATIONS ENGINEER(S): W. Hammond
SCIENTIST: A. Fludra
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  26-Apr-1999
DOY: 116
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: S. Mathews
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  27-Apr-1999
DOY: 117
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: S. Mathews
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM:
  The following study was imported to the EOF:
	uclan_n4_45.def
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  28-Apr-1999
DOY: 118
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: S. Mathews
CDS INSTRUMENT: Nominal.
  Two parity errors were detected in the primary processor memory space.  
  Since both parity errors were in safe locations, no CDHS reboot was 
  necessary. 
CDS GROUND SYSTEM: Nominal.
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  29-Apr-1999
DOY: 119
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: S. Mathews
CDS INSTRUMENT:
  GIS detector tests were performed from 10:00 UT to 14:00 UT
CDS GROUND SYSTEM: 
  The following studies were imported to the EOF:
	az_ddep1_49.def  
	az_ddep2_48.def
	lcd_g1_1.def    
	lcd_n11_1.def   
	lcd_n21_1.def
	lcd_g2_1.def    
	lcd_n12_51.def  
	lcd_n22_47.def
DAY PLAN: Science Operations.
COMMENTS:
==============================================================================
DATE:  30-Apr-1999
DOY: 120
OPERATIONS ENGINEER(S): R. Yurow, C. Maroney
SCIENTIST: S. Mathews
CDS INSTRUMENT: Nominal.
CDS GROUND SYSTEM: 
  The following study was imported to the EOF:
	moss_2.def
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 14:09.