MTA Monitoring Report 02/01/02 - 02/07/02

Archive of Monthly reports

Radiation

Quiet

CTI Trend

Average of ACIS-I CCDs (MnKa) slope 1.173e-8 CTI/day
Detrended slope 1.051e-8 CTI/day

ACIS Warm Pixels

The following pixels consistently showed a bias level more than 5 sigma away the chip's mean level during this period.
We suspect some of the recurring bad pixels may be due to biases which are taken just after perigee, when the focal plane is somewhat warm. For more information see the link above and MTA monthly reports.

CCD 9 is added this week.

	CCD0	CCD2	CCD3	CCD4	CCD5	CCD6	CCD7	CCD8	CCD9
New this week/ Reappeared					(514,850) (514,940)				(150,373)
Previously reported - still observed			(811,637)	(247,364)	(1-3,775-1024) (226,565) (226-245,313) (509,spurious rows) (510-511,775-1024) (512,775) (513,776-1024) (607,281) (1022,166)	(360,249) (766,501)	(1-3,1-114) (1-3,775-1024) (4,spurious rows) (509,spurious rows) (510-511,775-1024) (512,775) (513-515,775-1024) (516,spurious rows) (1021,1) (1021,198) (1021,408) (1021,684) (1022,775)	(62,482) (587,544) (952,1)
Previously reported - not observed during this period	(995,200)	(483,816)

ACIS Focal Plane Temperature

Day (DOY)	Temp (C)	Width (Days)
34.17	-118.58	0.44	shoulder on ascending side
36.85	-114.22	0.61	shoulder on ascending side

SIM Movements

Telemetry

• Date: Fri, 01 Feb 2002 18:54:23 -0500 From: "Dan Shropshire" To: "FOT" , Subject: EPS Battery Disconnect Sensor Glitch Status Last night at approximately 6pm local, it was determined that the EPS battery prime disconnect sensor EGCBDC1 was reading an "Out of State" condition. It was quickly determined that the EPS system was in the proper configuration and required no immediate action. Upon investigation, it was determined that this state is expected on occasion due to a timing difference in the battery disconnect circuit. In fact, this condition occurred in the 1999 eclipse season. In response to that event, an OBC patch was created which upped the number of glitches (from 2 to 10) which the OBC will accept, prior to the disabling of the battery disconnect circuit. This patch was uplinked in February of 2000, essentially giving us margin until this circuit would be disabled. Also at this time, it was decided to create a glitch counter reset patch which could be used to reset the glitch counter back to 0. This patch was approved in November of 2000, but never uplinked. Today at 3:30 local, CAP 784 was executed which uplinked this patch to the OBC. The CAP was successful in resetting the EPS glitch counter. The EPS system is back in its nominal configuration and is ready for the next eclipse.



• Hit yellow limit on an OBA temperature (60F). This is due to long term trend of rising OBA temps. Plan to raise limit to 70F, but will perform analysis of all such checks prior to taking action.



• Rino has noticed that SIM TSC motor temp approached within 4 deg of yellow limit (45C) on 2001 day 240. This was due to a high initial motor temp prior to movement (low pitch att) plus heating during the move. The SIM TSC motor has been trending up in temp over the mission, as have many other items. Should watch this.

02/01

HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.62 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.04 (upper yellow limit: 1.11)
TB1T3 (BATT 1 TEMP 3): yellow warning. Min: 270.09 (lower yellow limit: 270.2)
HETG Insertion

HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.62 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.27 (upper yellow limit: 1.11)
HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 1.00 (upper yellow limit: 0.50)
5EPHINT (EPHIN TEMP): yellow warning. Max: 300.67 (upper yellow limit: 300.0)
TEPHIN (EPHIN SENSOR HOUSING TEMP): yellow warning. Max: 301.06 (upper yellow limit: 300.2)
TFSSBKT1 (FSS BRACKET-2 TEMP +Y): yellow warning. Max: 333.98 (upper yellow limit: 333.0)
TFSSBKT2 (FSS BRACKET-2 TEMP -Y): yellow warning. Max: 333.98 (upper yellow limit: 333.0)
TB1T3 (BATT 1 TEMP 3): yellow warning. Min: 270.09 (lower yellow limit: 270.2)

HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.62 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.03 (upper yellow limit: 1.11)
OBACONEAVG (OBA CONE AVG TEMP): red warning. Max: 285.94 (upper red limit: 285.5)
OBAAVG (OBA/TFTE TEMP): yellow warning. Max: 285.29 (upper yellow limit: 284.7)
HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.58 (upper yellow limit: 0.50)
5EPHINT (EPHIN TEMP): yellow warning. Max: 300.25 (upper yellow limit: 300.0)
TEPHIN (EPHIN SENSOR HOUSING TEMP): yellow warning. Max: 300.55 (upper yellow limit: 300.2)
TEMPHOUS (temp 2 - AC housing): yellow warning. Max: 288.35 (upper yellow limit: 288.0)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 282.15 (upper yellow limit: 282.0)
TB1T3 (BATT 1 TEMP 3): yellow warning. Min: 270.09 (lower yellow limit: 270.2)
TSAMYT (-Y WING SOLAR ARRAY TEMP): yellow warning. Min: 304.78 (lower yellow limit: 311.1)
TSAPYT (+Y WING SOLAR ARRAY TEMP): yellow warning. Min: 304.78 (lower yellow limit: 311.1)
EPOVSPR (O/V SENSOR PRI): red warning. Max: 1.0 (upper red limit: 0.9)
OOBAPWR (OBA COMPUTED TOTAL POWER): red warning. Max: 799.9 (upper red limit: 300.0)
ELBI (LOAD BUS CURRENT): red warning. Max: 94.61 (upper red limit: 79.0)
ELBV (LOAD BUS VOLTAGE): yellow warning. Min: 27.73, Max: 32.59 (lower yellow limit: 28.0, upper yellow limit: 32.5)

HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.62 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.59 (upper yellow limit: 1.11)
HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.52 (upper yellow limit: 0.50)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 283.2 (upper yellow limit: 282.0)
TSCIUSF1 (SC-IUS FITTING-1 TEMP): red warning. Max: 355.98 (upper red limit: 349.7)
TSCIUSF8 (SC-IUS FITTING-8 TEMP): red warning. Max: 354.41 (upper red limit: 349.7)
TFSSBKT1 (FSS BRACKET-2 TEMP +Y): yellow warning. Max: 335.56 (upper yellow limit: 333.0)
TFSSBKT2 (FSS BRACKET-2 TEMP -Y): yellow warning. Max: 335.56 (upper yellow limit: 333.0)
TMZP_CNT (-Z PNL TEMP:CENTER): yellow warning. Max: 327.66 (upper yellow limit: 327.4)
TB1T1 (BATT 1 TEMP 1): yellow warning. Min: 270.09 (lower yellow limit: 270.2)
TB1T3 (BATT 1 TEMP 3): yellow warning. Min: 270.09 (lower yellow limit: 270.2)
HETG Retraction

1CRBT (COLD RADIATOR TEMP. B): yellow warning. Max: 152.4 (upper yellow limit: 148.16)
1CRAT (COLD RADIATOR TEMP. A): yellow warning. Max: 152.4 (upper yellow limit: 148.16)
1CRBTC (COLD RADIATOR TEMP. B): yellow warning. Max: -120.75 (upper yellow limit: -125.0)
1CRATC (COLD RADIATOR TEMP. A): yellow warning. Max: -120.75 (upper yellow limit: -125.0)
HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.62 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.57 (upper yellow limit: 1.11)
HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.62 (upper yellow limit: 0.50)
5EPHINT (EPHIN TEMP): yellow warning. Max: 301.52 (upper yellow limit: 300.0)
TEPHIN (EPHIN SENSOR HOUSING TEMP): yellow warning. Max: 302.09 (upper yellow limit: 300.2)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 282.2 (upper yellow limit: 282.0)
TSCIUSF1 (SC-IUS FITTING-1 TEMP): red warning. Max: 351.27 (upper red limit: 349.7)
TSCIUSF8 (SC-IUS FITTING-8 TEMP): red warning. Max: 351.27 (upper red limit: 349.7)
TFSSBKT1 (FSS BRACKET-2 TEMP +Y): yellow warning. Max: 333.98 (upper yellow limit: 333.0)
TFSSBKT2 (FSS BRACKET-2 TEMP -Y): yellow warning. Max: 333.98 (upper yellow limit: 333.0)
TMZP_CNT (-Z PNL TEMP:CENTER): yellow warning. Max: 328.72 (upper yellow limit: 327.4)
TB1T3 (BATT 1 TEMP 3): yellow warning. Min: 270.09 (lower yellow limit: 270.2)
TSAPYT (+Y WING SOLAR ARRAY TEMP): yellow warning. Min: 304.78 (lower yellow limit: 311.1)
TSAMYT (-Y WING SOLAR ARRAY TEMP): yellow warning. Min: 304.78 (lower yellow limit: 311.1)
EPOVSPR (O/V SENSOR PRI): red warning. Max: 1.0 (upper red limit: 0.9)
ELBV (LOAD BUS VOLTAGE): yellow warning. Max: 33.53 (upper yellow limit: 32.5)

HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.62 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.36 (upper yellow limit: 1.11)
HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.59 (upper yellow limit: 0.50)
5EPHINT (EPHIN TEMP): yellow warning. Max: 301.10 (upper yellow limit: 300.0)
TEPHIN (EPHIN SENSOR HOUSING TEMP): yellow warning. Max: 301.58 (upper yellow limit: 300.2)
FAMTRTEMP (FA Motor Temperature): yellow warning. Max: 282.2 (upper yellow limit: 282.0)
TFSSBKT1 (FSS BRACKET-2 TEMP +Y): yellow warning. Max: 335.56 (upper yellow limit: 333.0)
TFSSBKT2 (FSS BRACKET-2 TEMP -Y): yellow warning. Max: 333.98 (upper yellow limit: 333.0)
TMZP_CNT (-Z PNL TEMP:CENTER): yellow warning. Max: 327.66 (upper yellow limit: 327.4)
TB1T3 (BATT 1 TEMP 3): yellow warning. Min: 271.55 (lower yellow limit: 270.2)
ELBI (LOAD BUS CURRENT (HIGH RANGE)): red warning. Min: 50.25 (lower red limit: 51.0)

HRMAAVG (AVG OF HRMA METRICS): red warning. Min: 294.62 (lower red limit: 305)
OBADIAGRAD (OBA DIAM GRAD): yellow warning. Max: 2.52 (upper yellow limit: 1.11)
HKBBIASLEAKI (HK B bias leakage current): yellow warning. Max: 0.65 (upper yellow limit: 0.50)
5EPHINT (EPHIN TEMP): yellow warning. Max: 301.95 (upper yellow limit: 300.0)
TEPHIN (EPHIN SENSOR HOUSING TEMP): yellow warning. Max: 302.09 (upper yellow limit: 300.2)
TFSSBKT1 (FSS BRACKET-2 TEMP +Y): yellow warning. Max: 335.56 (upper yellow limit: 333.0)
TFSSBKT2 (FSS BRACKET-2 TEMP -Y): yellow warning. Max: 335.56 (upper yellow limit: 333.0)
TMZP_CNT (-Z PNL TEMP:CENTER): yellow warning. Max: 328.72 (upper yellow limit: 327.4)
TSCIUSF1 (SC-IUS FITTING-1 TEMP): red warning. Max: 349.70 (upper red limit: 349.7)
TSCIUSF8 (SC-IUS FITTING-8 TEMP): red warning. Max: 348.12 (upper red limit: 349.7)
TB1T3 (BATT 1 TEMP 3): yellow warning. Min: 271.31 (lower yellow limit: 270.2)

IRUs

• Gyro Bias Drift
• Gyro Bias Drift Histogram

Recent Observations

"NOT AVIL" means that the analysis was not available at the end of the reporting period. You may find the analysis done in a later time.

Trending

Daily average trends last reported on Nov 22 .
The most interesting trends are indicated with "*".

• Ephin Temperatures and Voltages

  MSID	DESCRIPTION	COMMENTS
  *5EIOT	EIO TEMP	Upward trend, ~340
  *5EPHINT	EIO TEMP	Upward trend, ~301
  *HKABIASLEAKI	EPHIN HOUSEKEEPING A-BIAS: LEAKAGE CURRENT	Upper limit @ 1.0
  *HKBBIASLEAKI	EPHIN HOUSEKEEPING B-BIAS: LEAKAGE CURRENT	Upward step after DOM 800, ~0.6
  *HKCBIASLEAKI	EPHIN HOUSEKEEPING C-BIAS: LEAKAGE CURRENT	Upward step after DOM 800, ~20
  *HKDBIASLEAKI	EPHIN HOUSEKEEPING D-BIAS: LEAKAGE CURRENT	Upward step after DOM 800, ~20
  *HKEBIASLEAKI	EPHIN HOUSEKEEPING E-BIAS: LEAKAGE CURRENT	Upward step after DOM 800, ~20
  *HKEBOXTEMP	EPHIN HOUSEKEEPING EBOX	Upward step after DOM 800, ~307
  *HKFBIASLEAKI	EPHIN HOUSEKEEPING F-BIAS: LEAKAGE CURRENT	Upward step after DOM 800, ~0.6
  HKGHIV	EPHIN HOUSEKEEPING G-HIGH VOLTAGE	Flat @901.45
  HKN6I	HK 6 Volts Rail - Current	Flat @96.7
  HKN6V	HK -6 Volts Rail - Voltage	Flat @-5.95
  *HKP27I	HK 27 Volts Rail - Current	Upward step after DOM 800, 5.0 - 5.5
  HKP27V	HK 27 Volts Rail - Voltage	Flat @26.91
  HKP5I	HK 5 Volts Rail - Current	Scattered between 38.8 and 50
  HKP5V	HK 5 Volts Rail - Voltage	Flat @5.13
  HKP6I	HK 6 Volts Rail - Current	@150.6,151.6, and 152.6
  HKN6V	HK -6 Volts Rail - Voltage	5.78 - 5.84
  *TEIO	EPHIN ELECTRONICS HOUSING TEMP	Upward trend, 280 to 310
  *TEPHIN	EPHIN SENSOR HOUSING TEMP	Upward trend, 275 to 302

  
  
• Ephin Housekeeping

  MSID	DESCRIPTION	COMMENTS
  EIOSTATUS_A	EIO Status Flg A	Flat @ 0.0
  EIOSTATUS_B	EIO Status Flg B	Flat @ 0.0
  EIOSTATUS_C	EIO Status Flg C	Flat @ 0.0
  EIOSTATUS_D	EIO Status Flg D	Flat @ 1.0 since DOM 660
  EIOSTATUS_E	EIO Status Flg E	Flat @ 1.0 since DOM 660
  EIOSTATUS_F	EIO Status Flg F	Flat @ 1.0 since DOM 660
  EIOSTATUS_G	EIO Status Flg G	Flat @ 0.0
  EIOSTATUS_H	EIO Status Flg H	Flat @ 0.0
  EPHSIMSTATUS	EPHIN Simulation Status	Flat @ 128
  HKCMDSUCCESS	HK Command Successful	Flat @ 0.0
  HKRETRYNEED	HK Retry needed?	Flat @ 0.0
  HKRETURNCODE	HK Return Code	Flat @ 0.0
  HKTIMATIMOUNT	HK Timer A Timeout	Flat @ 0.0
  HKTIMDTMOUT	HK Timer D Timeout	Flat @ 0.0
  SCCMDSUCCESS	SciCommand Successful	Flat @ 0.0
  SCRETRYNEED	Sci Retry needed?	Flat @ 0.0
  SCRETURNCODE	Sci Return code	Flat @ 0.0
  TCCMDSUCCESS	TC Command Successful	Flat @ 0.0
  TCNAKSENT	TC NAK Sent?	Flat @ 0.0
  TCRETRYNEED	TC Retry needed	Flat @ 0.0
  TCRETURNCODE	TC Return Code	Flat @ 0.0
  TCTIMATIMOUT	TC Timer A Timeout	Flat @ 0.0
  TCTIMDTIMOUT	TC Timer D Timeout	Flat @ 0.0
  TELECMDCNT	Telecommand Count	Flat @ 0.0
  TELECMDCODE	Telecommand Code	Flat @ 0.0

  
  
• Ephin Rates

  MSID	DESCRIPTION	COMMENTS
  *SCA00	Sci single detector counter A00	Scatter between 3 and 7 (log) the lower end gradually moved up to 4 after 800
  *SCA01	Sci single detector counter A01	Scatter between 3 and 6 (log) the lower end gradually moved up to 4 after 800
  *SCA02	Sci single detector counter A02	Scatter between 3 and 6 (log) the lower end gradually moved up to 4 after 800
  *SCA03	Sci single detector counter A03	Scatter between 3 and 6 (log) the lower end gradually moved up to 4 after 800
  *SCA04	Sci single detector counter A04	Scatter between 3 and 6 (log) the lower end gradually moved up to 4 after 800
  *SCA05	Sci single detector counter A05	Scatter between 3 and 6 (log) the lower end gradually moved up to 4 after 800
  SCB00	Sci single detector counter B00	Scatter between 2.5 and 7 (log)
  SCB01	Sci single detector counter B01	Scatter between 2.5 and 4.5 (log)
  SCB02	Sci single detector counter B02	Scatter between 2.5 and 4.5 (log)
  SCB04	Sci single detector counter B04	Scatter between 2.5 and 4.5 (log)
  SCB05	Sci single detector counter B05	Scatter between 2.5 and 4.5 (log)
  SCC00	Sci single detector counter C0	Scatter between 3.5 and 7, more at both extremes
  SCCT1	Sci coincidence counter CT1	Scattered 7 to 10
  SCCT2	Sci coincidence counter CT2	Scattered 7 to 10
  SCCT3	Sci coincidence counter CT3	Scattered 7 to 10
  SCCT4	Sci coincidence counter CT4	Scattered 7 to 10
  SCCT5	Sci coincidence counter CT5	Scattered 7 to 10
  SCD0	Sci single detector counter D0	Around 3.5 (log), scattered upward to 7
  SCE0	Sci single detector counter E0	Around 3.5 (log), scattered upward to 6
  SCF0	Sci single detector counter F0	Around 4 (log), scattered upward to 6
  SCG0	Sci single detector counter G0	Around 4 (log), scattered upward to 7
  SCH25GR	Sci coincidence counter H25GR	Mostly @0.0 to 1.0, some scatter to 4.0
  SCH25S1	Sci coincidence counter H25S1	Mostly @0.0 to 1.0, some scatter to 6.0
  SCH25S23	Sci coincidence counter H25S23	Mostly @0.0 to 1.0, some scatter to 8.0
  SCH41GR	Sci coincidence counter H41GR	@0.0, 1.0, and 2.0
  SCH41S1	Sci coincidence counter H41S1	@0.0, 1.0, and 2.0
  SCH41S23	Sci coincidence counter H41S23	@0.0, 1.0, and 2.0
  SCH4GR	Sci coincidence counter H4GR	Around 0.0 some scatter to 50
  SCH4S1	Sci coincidence counter H4S1	Around 0.0 some scatter to 60
  SCH4S23	Sci coincidence counter H4S23	Around 0.0 some scatter to 100
  SCH8GR	Sci coincidence counter H8GR	Around 0.0 some scatter to 40
  SCH8S1	Sci coincidence counter H8S1	Around 0.0 some scatter to 80
  SCH8S23	Sci coincidence counter H8S23	Around 0.0 some scatter to 120
  SCP25GR	Sci coincidence counter P25GR	Around 0.0 some scatter to 120
  SCP25S	Sci coincidence counter P25S	Around 0.0 some scatter to 400
  SCP41GR	Sci coincidence counter P41GR	Around 0.0 some scatter to 25
  SCP41S	Sci coincidence counter P41S	Around 0.0 some scatter to 80
  SCP4GR	Sci coincidence counter P4GR	Scattered 0 to 4
  SCP4S	Sci coincidence counter P4S	Scattered 0 to 4
  SCP8GR	Sci coincidence counter P8GR	Scattered 0 to 4
  SCP8S	Sci coincidence counter P8S	Scattered 0 to 4

  
  
• Ephin Key Rates

  MSID	DESCRIPTION	COMMENTS
  SCCT0	Sci coincidence counter CT0	Around 0, some scatter to 600, less scatter since DOM 700
  SCE1300	Sci coincidence counter E1300 rate	Scattered 0 to 5 (log),but more at the both extremes
  SCE150	Sci coincidence counter E150 rate	Scattered 1.5 to 6 (log)
  SCE300	Sci coincidence counter E300 rate	Scattered 1.5 to 6 (log)
  SCE3000	Sci coincidence counter E3000	Scattered 0.5 to 4 (log)
  SCH25GM	Sci coincidence counter H25GM	Scattered 0.0 to 5 (log)
  SCH41GM	Sci coincidence counter H41GM	Around 0.0, some scatter up to 600
  SCH4GM	Sci coincidence counter H4GM	Around 0.0, some scatter up to 200
  SCH8GM	Sci coincidence counter H8GM	Scattered 0 to 5 (log)
  SCINT	Sci coincidence counter INT	Around 100, some scatter to 600
  SCP25GM	Sci coincidence counter P25GM	Scattered 0 to 5 (log)
  SCP41GM	Sci coincidence counter P41GM	Scattered 0 to 4 (log)
  SCP4GM	Sci coincidence counter P4GM	Scattered 0 to 6 (log), more around 6
  SCP8GM	Sci coincidence counter P8GM	Sacttered 0 to 6 (log), more around 6