| Date |
Time |
Component |
Description |
|
| 06/09/2016 | 15:32:09 | CHANNEL H4 | Sets Channel H4 gain to 2dB |
|
| 06/09/2016 | 15:27:11 | CHANNEL H3 | Sets Channel H3 gain to 1dB |
|
| 06/08/2016 | 15:45:52 | CHANNEL H4 | Resets Channel H4 gain to 0dB |
|
| 06/08/2016 | 15:44:06 | CHANNEL H3 | Resets Channel H3 gain to 0dB |
|
| 06/08/2016 | 15:37:49 | H3-H4 LO | Swap oscillator from side A to side B |
|
| 04/28/2016 | 08:08:31 | CHANNEL H3 | Channel H3 experienced a DC Offset, increased by 5 counts |
|
| 04/23/2016 | 07:26:00 | CHANNEL H3 | Channel H4 experienced a DC Offset, increased by 4 counts |
|
| 04/20/2016 | 04:11:14 | CHANNEL H3 | Channel H3 experienced a DC Offset, increased by 3 counts |
|
| 04/12/2016 | 03:52:00 | CHANNEL H3 | Channel H3 experienced a DC Offset, decreased by 2 counts |
|
| 03/30/2016 | 02:49:00 | CHANNEL H3 | Channel H3 experienced a DC Offset, decreased by 2 counts |
|
| 03/22/2016 | 18:03:00 | Channel H3 | Channel H3 experienced a DC Offset, lowered by 1 count |
|
| 02/27/2016 | 17:12:00 | CHANNEL H3 | Channel H3 experienced a DC Offset, increased by 4 counts |
|
| 12/15/2015 | 15:15:00 | CHANNEL H3 | Channel H3 experienced a DC Offset, lowered by 2 counts |
|
| 09/23/2015 | 11:20:00 | CHANNEL H4 | 5 count DC offset experienced by Channel H4 |
|
| 09/16/2015 | 23:42:59 | CHANNEL H1 | 3 count DC offset experienced by Channel H1 |
|
| 09/15/2015 | 12:07:09 | CHANNEL H3 | 5 count DC offset experienced by Channel H3 |
|
| 08/27/2015 | 22:27:25 | CHANNEL H3 | 7 count DC offset experienced by Channel H3 |
|
| 08/22/2015 | 23:34:00 | CHANNEL H4 | 7 count DC offset experienced by Channel H4 |
|
| 04/27/2015 | 04:41:00 | CHANNEL H4 | 7 count DC offset experienced by Channel H4 |
|
| 04/22/2015 | 05:35:00 | CHANNEL H5 | Two count DC Offset experienced |
|
| 04/04/2015 | 05:11:00 | CHANNEL H3 | Automatic DC Offset of 4 counts; more noticeable in space position and blackbody counts for Channel H3 |
|
| 02/20/2015 | 09:30:00 | CHANNEL H3 | Blackbody 2 reached the top 95% of counts causing an automatic DC offset. Instrument nominal. |
|
| 02/18/2015 | 15:50:00 | RDM | RDM current increased slightly causing the current profile to increase about 40mA |
|
| 02/13/2015 | 09:39:00 | FDM | FDM current increased to a maximum value of 1070mA and continues to have a noisier current value with more values reaching 1000mA. |
|
| 02/13/2015 | 02:00:00 | RDM | Average current profile increased from around 760mA to 850mA for the RDM. |
|
| 01/01/2015 | 12:00:00 | FDM | NOAA-18 MHS Flywheel drive motor current surges started started consistently passing 1000mA in December 2013 and continued throughout 2014. The FDM current is known to be erratic, so far for 2015 the current signature has calmed. |
|
| 11/27/2014 | 16:10:00 | CHANNEL H3 | Channel H3 experienced a DC offset, SP3 hit the 5% lower deadband |
|
| 11/09/2014 | 06:10:00 | CHANNEL H3 | Channel H3 experienced a DC offset, SP1 hit the 5% lower deadband |
|
| 10/19/2014 | 23:08:00 | CHANNEL H3 | N18 MHS Channel H3 experienced a DC offset, BB1 hit the 95% upper deadband |
|
| 10/18/2014 | 23:26:00 | CHANNEL H5 | BlackBody and Space Position counts experienced a slight drop in counts, radiometrics decreased slightly for about 4 minutes before returning back to expected behavior |
|
| 09/21/2014 | 23:31:00 | CHANNEL H3 | MHS Channel H3 experienced a DC offset, BB1 hit the 95% upper deadband |
|
| 07/16/2014 | 09:00:00 | FDM | FDM current had an overall increase seen in its behavior, reaching a mA value in the mid 1000s daily |
|
| 01/04/2014 | 20:00:41 | CHANNEL H5 | Automatic DC Offset occured; Correction of 2 counts, radiometrics increased by ~3,000 |
|
| 12/03/2013 | 19:15:00 | FDM | FDM began to experience periodic instances where the current would surge above 1000mA |
|
| 09/24/2013 | 18:00:00 | RDM | Reflector Motor had a brief current surge. All other values appear nominal |
|
| 08/02/2013 | 11:46:00 | CHANNEL H1 | Channel H1 Blackbody and Space Position radiometric experienced a decrease in counts; just over 1600 counts for both Blackbody and Space Position -- automatic DAC Offset Earth View Radiometrics crossed upper dead band when N18 above Iran |
|
| 08/02/2013 | 11:46:00 | CHANNEL H2 | Channel H2 Blackbody, Space Position, and Earth Radiometrics all experienced a decrease in counts; just under 5000 counts for both Blackbody and Space Position, and around 4000 counts for Earth view counts - automatic DAC Offset Earth View Radiometrics crossed upper dead band when N18 above Iran |
|
| 07/24/2013 | 17:11:28 | | Place the MHS into Scan Mode |
|
| 07/24/2013 | 17:09:05 | | Dump all of the MHS Tables |
|
| 07/24/2013 | 17:08:14 | | Adjust the MHS TL87, TL88, TL90, TL91 |
|
| 07/24/2013 | 17:06:05 | | Place MHS into Standby Mode |
|
| 07/01/2013 | 19:34:57 | | MHS to scan mode |
|
| 07/01/2013 | 19:34:01 | | Dumped the limits table |
|
| 07/01/2013 | 19:31:25 | | MHS to standby mode |
|
| 04/06/2013 | 15:32:00 | | The space view counts for MHS Channel H5 dropped to the Lower Deadband range (5%) which triggered a DC Offset |
|
| 04/06/2013 | 15:32:00 | CHANNEL H5 | Automatic DC Offset occurred; Correction of 2 counts, radiometrics increased by ~3,000 |
|
| 11/29/2012 | 15:40:09 | CHANNEL H5 | Reset the gain to 0dB |
|
| 11/29/2012 | 15:38:19 | H5 LO | Swap MHS H5 oscillator to side b |
|
| 09/04/2012 | 16:21:20 | CHANNEL H5 | Increased the gain on MHS Channel H5 to 2 dB in order to improve the channel signal. |
|
| 06/19/2012 | 13:25:00 | CHANNEL H5 | MHS Channel H5 Dynamic Range periodically began dropping below the 50% threshold warning level. |
|
| 12/15/2011 | 15:42:39 | CHANNEL H5 | Increased the H5 Gain from 0dB to 1dB |
|
| 12/03/2011 | 14:30:00 | CHANNEL H5 | MHS Channel H5 Dynamic Range periodically began dropping below the 50% threshold warning level. |
|
| 10/19/2011 | 19:04:50 | CHANNEL H4 | MHS H4 Gain to 3 dB |
|
| 10/19/2011 | 19:03:14 | CHANNEL H3 | MHS H3 Gain to 2 dB |
|
| 10/19/2011 | 17:42:55 | | MHS to Scan Mode |
|
| 10/19/2011 | 17:40:53 | | MHS to Standby Mode |
|
| 10/19/2011 | 17:39:46 | | MHS to Warm Up Mode |
|
| 10/19/2011 | 17:38:58 | SPE | MHS SPE/SCE Turn On |
|
| 10/19/2011 | 17:38:07 | | MHS to Power On Mode |
|
| 10/19/2011 | 14:20:44 | | Dump MHS Memory Tables |
|
| 10/19/2011 | 12:39:00 | | MHS Tripped into Fault Mode (Telemetry Reference Clock Error) during the MIMU RGYRO Test |
|
| 10/19/2011 | 12:36:17 | | MHS to Standby Mode |
|
| 10/18/2011 | 19:20:46 | | dump compare validated software adjustment |
|
| 10/18/2011 | 19:20:33 | | MHS into Scan Mode |
|
| 10/18/2011 | 19:17:28 | | Dumped the 4 MHS Software Tables |
|
| 10/18/2011 | 19:16:54 | | adjust the MHS Standby Mode RDM and FDM Warn and Fault Limits (from 0.6 A to 1.24 A) |
|
| 10/18/2011 | 19:16:09 | | MHS into Standby Mode |
|
| 07/28/2011 | 22:25:56 | RDM | Recover the MHS from Spin State |
|
| 07/28/2011 | 21:47:11 | RDM | N18 MHS Entered Spin State |
|
| 07/20/2011 | 13:53:20 | | MHS to Scan Mode |
|
| 07/20/2011 | 13:52:57 | | MHS MEC Dump |
|
| 07/20/2011 | 13:50:51 | | MHS to Standby Mode |
|
| 04/16/2011 | 18:56:53 | | MHS to Scan Mode (data outage 18:54:53-18:57:09) |
|
| 04/16/2011 | 18:55:05 | | MHS to Standby Mode |
|
| 04/16/2011 | 15:55:52 | | MHS Machine Error Count (MEC) Dump - Diagnostic request from EUMETSAT |
|
| 12/02/2010 | 23:01:00 | RDM | N18 MHS Recovered to Scan Mode |
|
| 12/02/2010 | 20:00:16 | RDM | N18 MHS Entered Spin State - Science Data Invalid |
|
| 08/19/2010 | 18:25:11 | CHANNEL H4 | MHS H4 Gain to 3 dB |
|
| 08/19/2010 | 18:22:54 | CHANNEL H3 | MHS H3 Gain to 2 dB |
|
| 08/19/2010 | 18:21:42 | | MHS to Scan Mode |
|
| 08/19/2010 | 18:19:45 | | MHS Machine Error Count Dump |
|
| 08/19/2010 | 16:48:40 | | MHS to Standby Mode |
|
| 08/19/2010 | 16:47:22 | | MHS to Warm Up Mode |
|
| 08/19/2010 | 16:46:35 | SPE | MHS SPE/SCE Turn On |
|
| 08/19/2010 | 16:43:34 | | MHS to Power On Mode |
|
| 08/19/2010 | 13:23:05 | | MHS Flight Software Table Dump |
|
| 08/17/2010 | 20:23:53 | | The MHS tripped into Fault Mode during the N18 MIMU Reduced Gyro Test #2. |
|
| 08/17/2010 | 18:34:45 | | MHS to Standby Mode for Test 2 - Gyroless mode using MIMU2 |
|
| 03/12/2010 | 16:34:00 | RDM | N18 MHS Recovered to Scan Mode |
|
| 03/12/2010 | 14:25:04 | RDM | N18 MHS Entered Spin State - Science Data invalid |
|
| 07/11/2009 | 18:50:29 | CHANNEL H4 | MHS Channel H4 DC Offset Automatic Correction of +6 counts; radiometrics shift downward approximately 10,000 counts. |
|
| 06/07/2009 | 20:05:00 | | MHS Spin State Recovery |
|
| 06/07/2009 | 18:47:00 | | MHS entered spin state. |
|
| 05/18/2009 | 13:45:45 | CHANNEL H4 | Set Channel 4 gain to 3db, results in greater use of the detector's dynamic range. |
|
| 05/18/2009 | 13:43:39 | CHANNEL H3 | Set Channel H3 gain to 2db, results in greater use of the detector's dynamic range. |
|
| 04/20/2009 | 18:23:00 | | MHS to Power On Mode |
|
| 04/19/2009 | 18:44:40 | | NOAA-18 MHS Instrument entered Spin State as detected during a real-time pass. The recovery sequence was started. During the sequence immediately after receiving the command to transition to Standby Mode, the MHS tripped into Fault Mode. |
|
| 09/05/2008 | 14:49:24 | DC CONVTR | MHS Automatic DC Offset Adjustment enabled. |
|
| 05/09/2008 | 07:06:00 | | Recover MHS from Spin State which began at 2008/130/05:43:32z. |
|
| 05/09/2008 | 05:43:32 | | MHS entered Spin State |
|
| 03/24/2008 | 08:22:00 | CHANNEL H3 | DC Offset Automatic Adjustment disabled.+8 count adjustment to DCO. |
|
| 03/24/2008 | 08:22:00 | CHANNEL H4 | DC Offset Automatic Adjustment disabled.+8 count adjustment to DCO. |
|
| 03/24/2008 | 06:39:07 | CHANNEL H3 | DC Offset Automatic Adjustment enabled. Brought radiometric values back into nominal range. DCO value adjusted by +8 counts. |
|
| 03/24/2008 | | CHANNEL H3 | DC Offset Automatic Adjustment disabled. +8 count adjustment to DCO. |
|
| 03/06/2008 | 11:23:00 | | MHS Enter Spin State at 10:30z, recovered at 11:29z |
|
| 01/17/2008 | 06:30:00 | | Recovery of MHS |
|
| 01/17/2008 | 03:30:00 | | MHS entered Spin State at 03:30z, recovered at 06:30z |
|
| 10/31/2007 | 20:01:00 | CHANNEL H4 | H4 DC Offset 88 (from 93) |
|
| 10/02/2007 | 16:22:00 | CHANNEL H3 | MHS DAC Offsets initialization deactivated |
|
| 10/02/2007 | 16:22:00 | CHANNEL H4 | MHS DAC Offsets initialization deactivated |
|
| 10/02/2007 | 14:55:00 | CHANNEL H4 | Initialize MHS DAC Offsets |
|
| 10/02/2007 | 14:55:00 | CHANNEL H3 | Initialize MHS DAC Offsets |
|
| 09/14/2007 | 21:20:00 | CHANNEL H3 | DC Offset Initialize deactivated. Selected value for H3 DC Offset x5B(+7 from previous value) |
|
| 09/14/2007 | 21:20:00 | CHANNEL H4 | DC Offset Initialize deactivated. Selected value for H4 DC Offset x5D (+7 from previous value) |
|
| 09/14/2007 | 16:18:00 | CHANNEL H3 | DC Offset Initialize activated. |
|
| 09/14/2007 | 16:18:00 | CHANNEL H4 | DC Offset Initialize activated. |
|
| 09/05/2007 | 16:14:00 | CHANNEL H3 | Set MHS H3 Gain to 2db |
|
| 09/05/2007 | 16:14:00 | CHANNEL H4 | Set MHS H4 Gain to 3db |
|
| 09/05/2007 | 16:14:00 | DC CONVTR | Initialize MHS DAC Offsets. H3 DCO was x46 is now x54. H4 DCO was x47 is now x56 |
|
| 08/13/2007 | | | The radiometric counts have drifted over time, requiring adjustment. EUMETSAT has been notified. Awaiting their response. |
|
| 03/27/2007 | 02:34:00 | | The N18 MHS entered motor spin state at 02:34z on day 086. The AET on duty detected this during the subsequent pass at 03:43z and contacted engineering. During the next pass the AET sent CP MHSPINRC to recover the instrument as instructed by the engineer via telephone. The instrument was restored to nominal operations at 086/05:44z. |
|
| 03/27/2007 | 02:34:00 | | MHS to standby mode, then to scan mode. |
|
| 03/09/2007 | 22:00:00 | | On March 9, 2007 (07/068) at 22:00z, NOAA18 MHS Channels 3 and 4 DAC Offset Errors. Afterwards on March 11, 2007 (07/070) at 11:10z, the errors cleared themsevles. |
|
| 07/08/2006 | 18:00:00 | FDM | MHS Flywheel motor current started to rise on 8 Jul at approx 14:00z then surged to an all time high of 1110 mA at 18:00z before returning back to lower (but still slightly elevated over historical norms) values. Presently not considered a payload health or mission threat. |
|
| 06/23/2006 | 12:00:00 | FDM | MHS Flywheel motor current started to rise on 23 June then surged to an all time high of 1080 mA (vs. typical 850) on 25 June before returning back to lower (but still slightly elevated over historical norms) values. |
|
| 01/12/2006 | 12:00:00 | | MHS turbo modes caused by single event upsets because of excess charged particles exposure while over South Atlantic Anomaly. Nominal recovery, no permanent impacts to mission or payload. |
|
| 01/06/2006 | 17:30:00 | | MHS experienced spin state (turbo) mode for the second time in less than a month. Multiple limit violations and miscompares. Contingency commanding was executed as per MHS Monitoring Guidelines and all flags cleared. |
|
| 12/16/2005 | 05:12:20 | | MHS experienced spin state (turbo) mode. Multiple limit violations and miscompares. CP MHSPINRC was executed as per MHS Monitoring Guidelines and all flags cleared. |
|
| 07/29/2005 | 12:00:00 | | MHS 1 pixel along-track pointing error detected. TOAR 452 submitted and closed. Caused by the interpretation of acquisition time in MIU being incorrect by 8/3 of a second. Payload health and data nominal. |
|
| 06/03/2005 | 21:15:00 | | MHS configure scan profile 0 and load survival heat macro load. MHS OV complete, payload operational. |
|
| 05/30/2005 | 23:30:00 | | MHS testing and reconfigurations. Command to Safe mode, reconfigure motor current gains, dump science bus tables, return to scan profile. |
|
| 05/30/2005 | 21:50:00 | | MHS to profile 1 |
|
| 05/30/2005 | 20:00:00 | | Fixed View one pixel step test (cont) |
|
| 05/30/2005 | 18:15:00 | | Fixed View 1 pixel step test. |
|
| 05/30/2005 | 16:50:00 | | MHS testing of standby and fix’d mode. |
|
| 05/29/2005 | 20:20:00 | | MHS Fixed View testing continued through 30 May at 01:25 after which MHS commanded to Scan Mode. |
|
| 05/26/2005 | 17:25:00 | | Initialize MHS DACS offsets |
|
| 05/26/2005 | 17:20:00 | CHANNEL H3 | MHS H3 Gain to 1 dB |
|
| 05/26/2005 | 14:15:30 | | MHS to scan mode (from standby). First MHS images received and processed at SOCC |
|
| 05/26/2005 | 14:14:15 | H5 LO | Operational, A-side selected |
|
| 05/26/2005 | 14:14:10 | H3-H4 LO | Operational, A-side selected |
|
| 05/26/2005 | 14:14:05 | H2 LO | Operational, A-side selected |
|
| 05/26/2005 | 14:14:00 | H1 LO | Operational, A-side selected |
|
| 05/26/2005 | 14:13:59 | CHANNEL H5 | Powered on, operational |
|
| 05/26/2005 | 14:13:55 | CHANNEL H4 | Powered on, operational |
|
| 05/26/2005 | 14:13:50 | CHANNEL H3 | Powered on, operational |
|
| 05/26/2005 | 14:13:40 | CHANNEL H2 | Powered on, operational |
|
| 05/26/2005 | 14:13:36 | CHANNEL H1 | Powered on, operational |
|
| 05/26/2005 | 14:13:35 | FDM MTR SENSOR | Powered on, operational, A-side selected |
|
| 05/26/2005 | 14:13:31 | FDM ZPS | operational, A-side selected |
|
| 05/26/2005 | 14:13:30 | FDM | Powered on, operational |
|
| 05/26/2005 | 14:13:20 | RDM ZPS | operational, A side selected |
|
| 05/26/2005 | 14:13:15 | RDM MTR SENSOR | Powered on, operational, A-side selected |
|
| 05/26/2005 | 14:13:00 | RDM | Powered on, operational |
|
| 05/26/2005 | 14:12:50 | DC CONVTR | Powered on, operational |
|
| 05/25/2005 | 17:33:00 | SPE | Signal Processing Electronics powered on. |
|
| 05/25/2005 | 17:32:00 | SCE | Scan Control Electronics powered on. |
|
| 05/25/2005 | 17:31:00 | PIE | MHS turnon, PIE-A |
|
| 05/20/2005 | 11:59:00 | | MHS survival heater turned on nominally instrument no yet powered on. |
