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GPM Spacecraft Data Discrepancies and Anomalous Events Table

 

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PPS Partner Satellite- Data Discrepancies &Anomalous Events Table (Click here to see a summary of events for other partner data sources)

GPM spacecraft time or data gaps and anomalous events for previous (V04) data products. (Click here to see a summary of events for GPM previous V04 data products)

This web page below lists GPM spacecraft time or data gaps and anomalous events for current data (V06, directly below) and includes V05 data (up through Date 180222- yymmdd).

Product /Level Event Date/ Time (yymmdd) Orbit Number Comments
 
DPR (Ka/Ku) L1 – 2 200520 13:11:27-14:44:00 35374
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200519 17:08:19-18:40:51 35361
Partial Granule Ka/Ku - DPR has changed to Standby mode for a few seconds due to Yaw maneuver #56
 
DPR (Ka/Ku) L1 – 2 200518 13:22:26-14:54:57 35343
Partial Granule Ka/Ku - Software patch operation for DPR
 
DPR (Ka/Ku) L1 – 2 200518 11:49:52-13:22:25 35342
Empty Granule Ka/Ku - Software patch operation for DPR
 
DPR (Ka/Ku) L1 – 2 200518 10:17:20-11:49:51 35341
Partial Granule Ka/Ku -Software patch operation for DPR
 
DPR (Ka/Ku) L1 – 2 200517 20:24:22-21:56:54 35332
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2

200517 04:58:52-06:31:25

 35322
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200515 17:30:13-19:02:45 35299
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200515 11:20:01-12:52:33 35295
Partial Granule/Ku -10 min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200514 16:49:24-18:21:56 35283
Partial Granule/Ku -5 min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200514 15:16:51-16:49:23 38282
Partial Granule Ka/Ku -Regular weekly Internal calibration of affected Ku and Ka.
 
DPR (Ka/Ku) L1 – 2 200514 10:39:12-16:49:23 35279-35282
Partial Granule Ka/Ku -Due to “Software path orperation for KuPR.  Patch was unsuccessful”
 
DPR (Ka/Ku) L1 – 2 200512 17:00:19-18:32:52 35252
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200512 07:45:01-09:17:33 35246
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200511 10:09:18-11:41:50 35232
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200511 02:26:32-03:59:04 35227
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200509 22:40:36-00:13:09 35209
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200509 18:02:57-19:35:29 35206
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200508 11:11:54-12:44:27 35186
Partial Granule/Ku -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200507 22:51:29-00:24:01 35178
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200506 19:05:32-20:38:05 35160
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200506 17:32:59-19:05:31 35159
Partial Granule - 10min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200506 06:45:07-08:17:39 35152
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200505 23:02:21-00:34:53 35147
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200505 15:19:35-16:52:07 35142
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200505 10:41:56-12:14:28 35139
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200504 22:21:30-23:54:02 35131
Partial Granule - 10min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200504 16:11:17-19:16:22 35127-35128
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200504 11:33:37-13:06:10 35124
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200504 00:45:45-02:18:17 35117
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200503 04:42:33-07:47:38 35104-35105
Partial Granules -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200502 11:44:27-13:16:59 35093
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200502 10:11:54-11:44:26 35092
JAXA confirmed that Ku and Ka are back to suitable.
 
DPR (Ka/Ku) L1 – 2 200502 08:39:21-10:11:53 35091
Partial Granule - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200502 00:56:34-08:39:20 35086-35090
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200501/200502 23:24:01-00:56:33 35085
Partial Granule- Impacted by the anomaly from 00:34(UTC) (The anomaly occurred in the middle of orbit 035085. )
 
DPR (Ka/Ku) L1 – 2 200501 07:58:28-12:36:07 35075-35077
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200430 08:50:09-10:22:41 35060
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200429 14:19:28-17:24:35 35048-35049
Partial Granules - Weekly (Regular) Internal caribration affected Ku and Ka
 
DPR (Ka/Ku) L1 – 2 200429 03:31:27-05:04:00 35041
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200428 12:05:42-16:43:24 35031-35033
Partial Granule -5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200428 10:33:07-12:05:41 35030
Partial Granule- JAXA rebooted the SCDP and re-uplinked the VPRF table and phase code. Ka is back in the proper condition
 
DPR (Ka/Ku) L1 – 2 200428 09:00:33-10:33:06 35029
Partial Ku/ Empty Ka Granules-JAXA conducted the treatment for Ka across orbit 35029 to 35030 (uplink operation ). The operation also affected Ku observation.
 
DPR (Ka/Ku) L1 – 2 200428 02:50:13-09:00:32 35025-35028
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200428 01:17:40-02:50:13 35024
Partial Ku/ Empty Ka Granule- 5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200427/200428 23:45:06-01:17:39 35023
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200427 22:12:31-23:45:05 35022
Partial Ku/ Empty Ka Granules- 5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200427 17:34:48-22:12:30 35019-35021
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200427 16:02:13-17:34:47 35018
Partial Ku/ Empty Ka Granules- 5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200427 11:24:29-16:02:12 35015-35017
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200427 09:51:55-11:24:28 35014
Partial Ku/ Empty Ka Granules- 5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200425/200427 17:44:57-09:51:54 34988-35013
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200425 16:12:22-17:44:56 34987
Partial Ku/ Empty Ka Granules- 5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200224/200425 12:26:00-16:12:21 34969-34986
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200424 10:53:25-12:25:59 34968
Partial Ku/ Empty Ka Granules - Downlink the dump data of phase code
 
DPR (Ka/Ku) L1 – 2 200424 00:05:23-10:53:24 34961-34967
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 2002423/200424 21:00:14-00:05:22 34959-34960
Partial Ku/ Empty Ka Granules- 5min missing in science data (checksum error)
 
DPR (Ka/Ku) L1 – 2 200423 11:44:47-21:00:13 34953-34958
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200423 10:12:12-11:44:46 34952
Partial Ku/ Empty Ka Granules -Uplink the VPRF table and phase code
 
DPR (Ka/Ku) L1 – 2 200422/200423 18:46:26-10:12:11 34942-34951
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200422 17:13:51-18:46:25 34941
Partial Ku/ Empty Ka Granules- Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200422 07:58:24-17:13:50 34935-34940
Empty Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 200422 06:25:49-07:58:23 34934
Partial Granules - Impacted from DPR Anomaly
 
DPR (Ka/Ku) L1 – 2 180221/180222 17:45:48 - 19:59:14Z 22637-22653
DPR Scan Pattern Test
 
DPRGMI 2B 180221/180222 17:45:48 - 19:59:14Z 22637-22653
DPR Scan Pattern Test
 
DPR (Ka/Ku) L1 – 2 170926 /170929 11:45:22 - 13:49:37Z 20331-20378
DPR Scan Pattern Test
 
DPRGMI 2B 170926 /170929 11:45:22 - 13:49:37Z 20331-20378
DPR Scan Pattern Test
 
DPR (Ka/Ku) L1 – 2 161217 /16:31:39 - 18:04:13Z 15932
Empty Granules - "Power Failure in JAXA Data Center "
 
DPRGMI 2B 160512 /05:11:52 - 12:54:36Z 12518-12522
Empty Granules - "DPR RF OFF"
 
DPR (Ka/Ku) L1 – 2 160512 /05:11:52 - 12:54:36Z 12518-12522
Empty Granules - "DPR RF OFF"
 
DPRGMI 2B 160426 /09:41:59 - 15:52:14Z 12272-12275
Empty Granules - "DPR RF OFF"
 
DPR (Ka/Ku) L1 – 2 160426 /09:41:59 - 15:52:14Z 12272-12275
Empty Granules - "DPR RF OFF"
 
DPRGMI 2B 160425 /09:00:51 - 15:52:14Z 12256-12259
Empty Granules - "DPR RF OFF"
 
DPR (Ka/Ku) L1 – 2 160425 /09:00:51 - 15:52:14Z 12256-12259
Empty Granules - "DPR RF OFF"
 
DPRGMI 2B 141215 /14:36:40 - 16:09:10Z 4527
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 141215 /14:36:40 - 16:09:10Z 4527
Phase code (obs.) dump
 
GMI

141210 /16:56:42 - 20:30:25Z

 4450-4452
Partial Granules - Deep Space Calibrations (DSC) maneuvers
 
DPRGMI 2B 141210 /12:47:50 - 15:52:52Z 4448-4449
Empty Granules - Deep Space Calibrations (DSC) maneuvers
 
DPR (Ka/Ku) L1 – 2 141210 /12:47:50 - 15:52:52Z 4448-4449
Empty Granules - Deep Space Calibrations (DSC) maneuvers
 
GMI L2 141210 /12:47:50 - 15:52:52Z 4448-4449
Empty Granules - Deep Space Calibrations (DSC) maneuvers
 
GMI

141210 /11:15:18 - 11:56:40Z

 4447
Empty Granules - Deep Space Calibrations (DSC) maneuvers
 
GMI

141208 - 141209 / 23:56:54 - 04:24:48Z

 4424 -4426
Partial Granules - Deep Space Calibrations (DSC) maneuvers
 
DPRGMI 2B 141208 /20:42:11 - 23:47:13Z 4422 -4423
Empty Granules - Deep Space Calibrations (DSC) maneuvers
 
DPR (Ka/Ku) L1 – 2 141208 /20:42:11 - 23:47:13Z 4422 -4423
Empty Granules - Deep Space Calibrations (DSC) maneuvers
 
GMI L2

141208 /20:42:11 - 23:47:13Z

 4422 -4423
Empty Granules - Deep Space Calibrations (DSC) maneuvers
 
GMI L2

141208 / 19:09:39 - 20:36:59Z

 4421
Partial Granule - Deep Space Calibrations (DSC) maneuvers
 
DPRGMI 2B 141204/ 13:22:35-14:55:07Z 4355
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 141204/ 13:22:35-14:55:07Z 4355
Phase code (obs.) dump
 
DPRGMI 2B 141201/ 14:25:48-17:30:53Z 4309-4310
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 141201/ 14:25:48-17:30:53Z 4309-4310
Phase code (obs.) dump
 
DPRGMI 2B 1141120/ 10:03:06- 20:50:35Z 4135-4141
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 141120/ 10:03:06- 20:50:35Z 4135-4141
Phase code (obs.) dump
 
DPRGMI 2B 141105-141106/ 15:21:13- 02:09:05Z 3905-3911
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 141105-141106/ 15:21:13- 02:09:05Z 3905-3911
Phase code (obs.) dump
 
GMI L1 - 2

141022-141024/  09:02:16 - 15:00:56Z

 3683-3717
Instrument turned off due to anomalous temperature
 
DPRGMI 2B 141007-141007/ 17:22:34- 20:27:36Z 3455-3456
Phase code (obs.) dump / DPR component redundant switch
 
DPR (Ka/Ku) L1 – 2 141007-141007/ 17:22:34- 20:27:36Z 3455-3456
Phase code (obs.) dump / DPR component redundant switch
 
DPRGMI 2B 141001-141002/ 16:24:35- 04:44:54Z 3361-3368
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 141001-141002/ 16:24:35- 04:44:54Z 3361-3368
Phase code (obs.) dump
 
DPRGMI 2B 140922/ 14:54:12- 16:26:45Z 3220
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 140922/ 14:54:12- 16:26:45Z 3220
Phase code (obs.) dump
 
DPRGMI 2B 140915-140916 / 23:59:57- 07:42:33Z 3117-3121
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 140915-140916 / 23:59:57- 07:42:33Z 3117-3121
Phase code (obs.) dump
 
DPRGMI 2B 140904 / 13:29:00- 22:44:15Z 2939-2944
Phase code (obs.) dump
 
DPR (Ka/Ku) L1 – 2 140904 / 13:29:00- 22:44:15Z 2939-2944
Phase code (obs.) dump
 
DPRGMI 2B 140829 / 14:01:42 - 18:39:21Z 2846-2848
Alteration of Ka Phase Code
 
DPR (Ku) L1 – 2 140829 / 14:01:42 - 18:39:21Z 2846-2848
Alteration of Ka Phase Code
 
DPRGMI 2B 140825 /  12:50:13- 19:00:28Z 2783-2786
External calibration/Health checks
 
DPR (Ka/Ku) L1 – 2 140825 / 12:50:13- 19:00:28Z 2783-2786
External calibration/Health checks
 
DPRGMI 2B 140525 / 13:16:56-17:54:34Z 1352-1354
Partial and/or Empty- Operational mode SCDP-B/FCIF-A
 
DPR (Ka/Ku) L1 – 2 140525 / 13:16:56-17:54:34Z 1352-1354
Partial and/or Empty- Operational mode SCDP-B/FCIF-A
 
DPRGMI 2B 140520 / 14:29:56 - 17:35:03Z 1275-1276
GMI Deep Space Calibration
 
DPR (Ka/Ku) L1 – 2 140520 / 14:29:56 - 17:35:03Z 1275-1276
GMI Deep Space Calibration
 
GMI L2 140520 / 14:29:56 - 17:35:03Z 1275-1276
GMI Deep Space Calibration
 
DPR (Ka/Ku) L1 140427 / 00:00:00 - 140428/ 00:22:30Z 907-923
Pitch offset from -1 to -4 degrees for DPR sidelobe tests. (See Notes for more details)
 
GMI L2 140427 / 00:18:19 - 23:26:37Z 908-922
Pitch offset from -1 to -4 degrees for DPR sidelobe tests. (See Notes for more details)
 
DPRGMI 2B 140416 / 140417 18:59:36 - 16:35:46Z 749-762
DPR in standby mode
 
DPR (Ka/Ku) L1 – 2 140416 / 140417 18:59:36 - 16:35:46Z 749-762
DPR in standby mode
 
GMI L2 140410 / 19:30:12 - 21:02:45Z 656
DPR in non-observation mode
 
GMI L2 140410 / 11:47:23 - 13:19:56Z 651
DPR in non-observation mode
 
DPRGMI 2B 140410 / 11:47:23 - 21:02:45Z 651-656
DPR in non-observation mode
 
DPR (Ka/Ku) L1 – 2 140410 / 11:47:23 - 21:02:45Z 651-656
DPR in non-observation mode
 
*SCAD-GPS 140402 / 19:33:29 - 20:02:59Z 531
The MOC conducted a Delta-V maneuver, plus loaded a new filter table which lasted 30mins, all data was sent when the maneuver had completed.
 
DPRGMI 2B 140331-140401 /23:48:00 - 00:11:00Z 503
Partial Granule -Spacecraft maneuver
 
DPR (Ka/Ku) L1 – 2 140331-140401 /23:48:00 - 00:11:00Z 503
Partial Granule -Spacecraft maneuver
 
GMI

140331-140401 /23:48:00 - 00:11:00Z

 503
Partial Granule -Spacecraft maneuver
 
DPRGMI 2B 140325 /140326 16:19:58 - 12:21:43Z 405-417
No input data (memory dump data only) DPR Patch
 
DPR (Ka/Ku) L1 – 2 140325 /140326 16:19:58 - 12:21:43Z 405-417
No input data (memory dump data only) DPR Patch
 
DPRGMI 2B 140320 / 14:35:39 - 17:40:35Z 326-327
No input data (memory dump data only) DPR Patch
 
DPR (Ka/Ku) L1 – 2 140320 / 14:35:39 - 17:40:35Z 326-327
No input data (memory dump data only) DPR Patch
 
DPRGMI 2B 140316 / 140318  13:31:26-16:21:57Z 263-295
Partial and/or Empty- Operational mode SCDP-B/FCIF-A
 
DPR (Ka/Ku) L1 – 2 140316 / 140318  13:31:26-16:21:57Z 263-295
Partial and/or Empty- Operational mode SCDP-B/FCIF-A
 
*SCAD-GPS 140313 / 13:29:27 - 20:20:39Z 216-219
Shutdown for the EPROM burn to correct the polarity of the torque rods on the reaction wheels.
 
DPRGMI 2B 140312 / 140318 23:13:59 - 14:49:32Z 207-294

140312 / 140314  23:13:59 - 16:50:22Z      207-233   EPROM burn   **

140314 / 140316  13:45:28-13:31:25Z        232-262   Partial and/or Empty- Operational mode SCDP-B/FCIF-A **
 
DPR (Ka/Ku) L1 – 2 140312 / 140318 23:13:59 - 14:49:32Z 207-294

140312 / 140314  23:13:59 - 16:50:22Z      207-233  EPROM burn  **

140314 / 140316  13:45:28-13:31:25Z        232-262   Partial and/or Empty- Operational mode SCDP-B/FCIF-A **
 
GMI L1- 2 140312 / 140314 21:41:32 - 02:58:16Z 206-224
EPROM burn
 
DPRGMI 2B 140310 / 140312   15:45:59-21:41:31 171-205
Partial and/or Empty- Operational mode SCDP-B/FCIF-A
 
DPR (Ka/Ku) L1 – 2 140310 / 140312   15:45:59-21:41:31 171-205
Partial and/or Empty- Operational mode SCDP-B/FCIF-A
 

* Note: These events were time gaps where GPM data was not being transferred. No data was lost.

** Note: Consolidated from V05 Daily Empty Granule Report reflecting range of multiple events within the 207-294 orbit span.  In the V04 table, these orbit ranges were listed individually.

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Page Author: Craig Jamieson  Craig.Jamieson@nasa.gov
Web Curator Craig.Jamieson@nasa.gov
Responsible NASA Official: Erich Stocker, Code 610, NASA/GSFC Erich.F.Stocker@nasa.gov
Last Revised: 21 May 2020 @ 9:52 AM EDT