| Date |
Description |
20 November 2008
2008/325 | Our Aqua L0 near-realtime data feed is lagging behind today.
|
13 November 2008
2008/318 | Recent realtime and subset data is unavailable while we attempt to repair the disk.
|
12 November 2008
2008/317 | A new RAID was installed on the web server but is having errors and some data files may be unavailable. The problem is being investigated. We do have
backups of the missing realtime data but will not restore it until the disk situation has stabilized.
The part of the Goddard network that includes our web server was down from early morning until mid-afternoon.
|
8 November 2008
2008/313 | L0 near-realtime data and subsets on our web server were stopped by a RAID problem.
|
7 November 2008
2008/312 | Our L0 near-realtime data feed became erratic about 6pm EST yesterday. We are also processing data from our backup source, but it is currently 6-8 hours behind.
|
6 November 2008
2008/311 | Terra performed Drag Make-Up Maneuver #54, the approximate Loss of Pointing Accuracy times were 16:06 to 20:07 UTC. L0 granules from 17:45 to 18:15 UTC were affected by the maneuver.
|
4 November 2008
2008/309 | Our L0 near-realtime data feed stopped about 7:30am EST due to network issues between NOAA and NASA. We are processing data from our backup source, but it is currently 6-8 hours behind.
|
29 October 2008
2008/303 | The subset production RAID was replaced this evening and subset production resumed. Production of both subsets and realtime images will be
unsteady for a day or so due to bottlenecks created by the downtime. We will attempt to backfill the data gap but that will take some time.
|
28 October 2008
2008/302 | The new RAID was brought online midday today and L0 (realtime) processing resumed. Unfortunately, a hour later a different RAID failed so subset
production could not be resumed. We are in the process of replacing that RAID unit as well.
|
24 October 2008
2008/298 | The same RAID failed again about 5:30pm ET this evening, causing all processing to be suspended. We hope to replace the unit by Monday or Tuesday.
|
20 October 2008
2008/294 | L0 and subset production was stopped by a RAID disk failure about 6:30pm ET last evening. We are in the process of repairing the hardware.
|
15 October 2008
2008/289 | Aqua performed Drag Make-Up Maneuver #35, approximate slew out time was from 15:00 to 15:59 UTC.
|
10 October 2008
2008/284 | Aqua performed Lunar Calibration Maneuver #56, slew out time started at approximately 19:49 UTC. L0 granules from 19:20 to 20:10 UTC were affected by the maneuver.
|
8 October 2008
2008/282 | Our backup data source for L0 data stopped at midnight but has resumed and will be backfilled.
|
5 October 2008
2008/279 | Our backup data source for L0 data has become erratic.
|
24 September 2008
2008/268 | Our backup data source for L0 data resumed again about midday.
|
23 September 2008
2008/267 | Our backup data source for L0 data resumed last evening, but then stopped again about 1600 EDT.
|
20 September 2008
2008/264 | Our L0 near-realtime data feed stopped about 1400 EDT yesterday. We were processing data from our backup source, but it stopped about 1100 EDT this morning.
|
19 September 2008
2008/263 | Terra performed Roll Maneuver #83, from approximately 11:30 to 11:58 UTC. L0 granules from 11:05 to 12:00 UTC were affected by the maneuver.
The RAID was brought back online this afternoon. Subset processing has resumed but because back processing of some previous data is being done
it will take a while for the near-realtime subsets to become timely. It is currently uncertain if we will be able to fill all of the data
gap created by the RAID failure.
|
14 September 2008
2008/258 | Subset production was stopped by a RAID disk failure about 8am this morning. We are in the process of repairing the hardware.
|
9 September 2008
2008/253 | Our L0 near-realtime data feed stopped about 4pm EDT. We are processing data from our backup source, but it is currently 6-8 hours behind. Near-realtime feed resumed early Wednesday morning.
|
8 September 2008
2008/252 | The TERRA Science Formatting Equipment (SFE) suffered an anomaly today at 14:32:37 UTC. Recovery procedures were completed about 20:50 UTC. Data from 14:30 to 20:50 UTC was not received.
|
21 August 2008
2008/234 | Terra performed Drag Make-Up Maneuver #53, the Loss of Pointing Accuracy times were 05:43 to 07:53 UTC. L0 granules from 06:35 to 07:30 were affected by the maneuver.
|
14 August 2008
2008/227 | Our L0 near-realtime data feed resumed mid-day today. However, our backup source went offline about 10am EDT, leaving us with a data gap. We anticipate being able to fill the gap once our backup data source is online again.
|
2 August 2008
2008/215 | Our L0 near-realtime data feed stopped about midday. We are processing data from our backup source, but it is currently 6-8 hours behind.
|
24 July 2008
2008/206 | Aqua performed Drag Make-Up Maneuver #34 from approximately 14:30 to 15:39 UTC. L0 granule 15:05 UTC was affected by the maneuver.
|
22 July 2008
2008/204 | Terra performed Roll Maneuver #81 (-6.70 degree roll), the Loss of Pointing Accuracy times were 22:00 to 23:39 UTC.
L0 granules from 22:50 to 23:45 UTC were affected by the maneuver.
|
14 July 2008
2008/196 | Subset production has been disrupted by a RAID disk failure since about 4pm yesterday. The RAID is being rebuilt and we expect to backfill the missing subset data, but it may take a while.
|
28 June 2008
2008/180 | Our L0 near-realtime data feed stopped this evening. We are processing data from our backup source, but it runs 6-8 hours behind.
|
23 June 2008
2008/175 | Terra performed Roll Maneuver #80 from approximately 13:32 to 14:02 UTC. L0 granules from 13:25 to 14:25 UTC were affected by the maneuver.
|
13 June 2008
2008/165 | Aqua performed Lunar Calibration Maneuver #55, slew out time was approximately 16:29 to 16:56 UTC. L0 granules from 16:00 to 17:00 UTC were affected by the maneuver.
|
31 May 2008
2008/152 | Production of Aqua data from 15:15-23:55 UTC was delayed by a truncated predicted ephemeris file. The file has been corrected and production will catch up soon.
|
15 May 2008
2008/136 | Aqua performed a maneuver. L0 granules from 03:20 to 04:15 UTC were affected by the maneuver.
|
30 April 2008
2008/121 | Our Aqua L0 input feed has stopped due to hardware problems with the NOAA server.
|
23 April 2008
2008/114 | Aqua performed Drag Make-Up Maneuver #33 from approximately 15:45 to 16:49 UTC. The geometry of L0 granules from 15:40 to 16:45 UTC was affected by the maneuver.
|
18 April 2008
2008/109 | Our Aqua L0 near-realtime data feed is lagging behind this morning.
|
16 April 2008
2008/107 | The TERRA Science Formatting Equipment (SFE) suffered an anomaly today, sometime between 15:00 and 16:00 UTC. Recovery procedures were completed about 21:40 UTC. Data from 15:30 to 21:30 UTC was not received.
|
15 April 2008
2008/106 | Our L0 near-realtime data feed is lagging behind. We are also processing data from our backup source, but it is currently 6-8 hours behind.
Aqua performed Lunar Calibration Maneuver #53, slew out time was approximately 14:49 to 15:09 UTC. L0 granules from 14:35 to 15:35 UTC were affected by the maneuver.
|
11 April 2008
2008/102 | Aqua data from 08:25 to 09:55 UTC was not received due to problems at 2 ground stations on 2 consecutive passes.
|
26 March 2008
2008/086 | Our near-realtime L0 data feed stopped late yesterday due to hardware problems with the NOAA system. We are processing data from our backup source, but it is currently 6-8 hours behind.
|
24 March 2008
2008/084 | Terra performed Drag Make-Up Maneuver #52, the approximate low fidelity times are 15:48 to 16:25 UTC. L0 granules from 16:00 to 17:40 UTC were affected by the maneuver.
|
20 March 2008
2008/080 | Our Aqua L0 near-realtime data feed continues to lag.
Our production system is down today due to power work.
|
19 March 2008
2008/079 | Our Aqua L0 near-realtime data feed is lagging behind this morning.
|
17 March 2008
2008/077 | Aqua performed Lunar Calibration Maneuver #52, slew out time was approximately 03:36 to 03:45 UTC. L0 granules from 03:30 to 04:30 UTC were affected by the maneuver.
|
12 March 2008
2008/072 | Subset production returned to normal today. We do not expect to be able to backfill the missing subset files.
|
8 March 2008
2008/068 | Subset production resumed late today but throughput problems remain.
|
6 March 2008
2008/066 | Subset production has been suspended due to a RAID failure.
|
28 February 2008
2008/059 | We are experiencing network problems with our production system.
|
27 February 2008
2008/058 | Terra performed its yearly Inclination Maneuver (#20).
The low fidelity times were 14:00 to 17:19 UTC.
|
26 February 2008
2008/057 | Due to power work in our machine room, the data archive and the production system were taken offline.
|
25 February 2008
2008/056 | Terra performed Roll Maneuver #78 from 15:11 to 15:34 UTC. The Loss of Pointing Accuracy times were 14:03 to 15:45 UTC. L0 granules from 15:10 to 16:05 UTC were affected by the maneuver.
|
19 February 2008
2008/050 | Our near-realtime L0 data feed stopped yesterday afternoon due to software re-configuration of the NOAA system, we expect it to resume today. We are processing data from our backup source, but it is currently 6-8 hours behind.
|
16 February 2008
2008/047 | Aqua performed Lunar Calibration Maneuver #51, slew out time was approximately 19:30 to 20:20 UTC. L0 granules from 19:45 to 20:40 UTC were affected by the maneuver.
A RAID power supply failed this evening, causing a disruption to data distribution to the web server.
|
9 February 2008
2008/040 | Our near-realtime L0 data feed resumed about 09:30 am EST. All data was backfilled.
|
8 February 2008
2008/039 | Our near-realtime L0 data feed stopped this evening about due to network problems with the NOAA NRTPE system.
|
28 January 2008
2008/028 | Our near-realtime L0 data feed has resumed about 11:00 am EST. We hope to be able to backfill the missing data but it may take a while.
|
26 January 2008
2008/026 | A UPS failed at 6:24 am EST causing the loss of our backup L0 data source.
|
19 January 2008
2008/019 | Our near-realtime L0 data feed stopped this morning due to hardware problems with the NOAA NRTPE system. We are processing data from our backup source, but it is currently 10-12 hours behind.
|
18 January 2008
2008/018 | Aqua performed Lunar Calibration Maneuver #50, slew out time was approximately 10:24 to 10:49 UTC. L0 granules from 10:20 to 11:15 UTC were affected by the maneuver.
|
9 January 2008
2008/009 | Aqua performed Drag Make-Up Maneuver #32 from approximately 15:40 to 16:49 UTC.
|
28 December 2007
2007/362 | Terra performed Roll Maneuver #76 from 06:01 to 06:12 UTC, the Loss of Pointing Accuracy times were 04:32 to 06:25 UTC. L0 granules from 05:40 to 06:35 UTC were affected by the maneuver.
|
26 December 2007
2007/360 | There was a network malfunction at NOAA's NSOF facility this morning,
which interrupted communications between NASA EDOS and NOAA NRTPE, which supplies our L0 data feed. The
network has been repaired and data is flowing again.
|
24 December 2007
2007/358 | We are still experiencing delays and data dropouts in our near-realtime L0 data feed.
|
21 December 2007
2007/355 | Our near-realtime L0 data feed stopped last evening. We are processing data from our backup source, but it is currently 10-12 hours behind.
Our near-realtime L0 data feed resumed this afternoon.
|
13 December 2007
2007/347 | The Terra Science Formatting Equipment (SFE) experienced another anomaly
this morning at 347/13:11:17 UTC. The Flight Operations Team (FOT) is
presently investigating the anomaly. The spacecraft and instruments are
safe. There is no science data recording or Direct Broadcast at this time.
The SFE was reset and data resumed at 20:30 UTC.
|
11 December 2007
2007/345 | Our Aqua L0 data feed from NOAA returned to normal this afternoon.
|
10 December 2007
2007/344 | The current situation is that
NASA EDOS is receiving GBAD data, but not in the correct format. EDOS
is having to manually run scripts on the data to convert them into a
format that EDOS (and ultimately NOAA) can process. They are working on
trying to automate this process.
The problem is that because of the nature of the fix, NOAA is receiving
large blocks of GBAD data about every 12 hours.
We hope to have a better solution
sometime this week.
|
4 December 2007
2007/338 | Our Aqua L0 near-realtime data feed is still down due to spacecraft problems. We are processing Aqua data from our backup feed, which runs
approximately 6-9 hours behind acquisition time.
The most recent information we've received indicates that the
problem is caused by a partition on the Aqua spacecraft's Solid State
Recorder. This partition is used to write the GBAD date which is then
downloaded to the ground station with the science data.
Efforts are underway to repair the partition and return it to normal
use. However, the earliest estimate for completion is Thursday Dec. 6th.
|
3 December 2007
2007/337 | We have been experiencing problems in our Aqua L0 data feed since yesterday morning. This is due to issues with the Spacecraft Housekeeping data. NASA is currently investigating the problem, but as of our last check-in, had not pinpointed the problem.
|
28 November 2007
2007/332 | Terra performed Roll Maneuver #75 from 14:11 to 14:27 UTC. L0 granules from 13:40 to 14:35 UTC were affected by the maneuver.
|
16 November 2007
2007/320 | Terra data resumed with the 01:15 UTC granule.
|
15 November 2007
2007/319 | From J. Marius, Terra Mission Director: "At approximately 18:13Z , a possible Single Event Upset (SEU), turned TMON 16 which disabled the science data formatter. Consequently, science processing stopped at 18:13. This type of event has been seen previously at least once a year." The last complete Terra granule we received was 18:05 UTC.
|
8 November 2007
2007/312 | Terra performed Drag Make-Up Maneuver #51, the low fidelity times were 16:33 to 18:51 UTC. L0 granules from 17:50 to 18:25 UTC were affected by the maneuver.
|
7 November 2007
2007/311 | Aqua performed Drag Make-Up Maneuver #31 from approximately 14:55 to 16:04 UTC.
This caused differences between geolocations calculated with the extended predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
No Rapid Response data granules were affected.
|
30 October 2007
2007/303 | Terra performed Roll Maneuver #74, the Loss of Pointing Accuracy times were 01:46 to 04:27 UTC.
L0 granules from 02:25 to 03:30 UTC were affected by the maneuver.
|
16 October 2007
2007/289 | Terra performed Inclination Maneuver #19 from 15:47 to 16:19 UTC, the Loss of Pointing Accuracy times were 13:47 to 18:49 UTC. L0 granules from 15:55 to 17:40 UTC were affected by the maneuver.
|
10 October 2007
2007/283 | Terra performed Inclination Maneuver #18 from 14:45 to 15:17 UTC, the Loss of Pointing Accuracy times were 12:45 to 17:47 UTC. L0 granules from 15:25 to 16:50 UTC were affected by the maneuver.
|
30 September 2007
2007/273 | Terra performed an maneuver from 17:44 to 18:04 UTC. L0 granules from 17:10 to 18:05 UTC were affected by the maneuver.
|
14 September 2007
2007/257 | Hardware problems with the NOAA system are continuing to impact our L0 data feed. We are receiving data out of sequence, with long delays for some granules.
We apologize for the inconvenience.
|
12 September 2007
2007/255 | We are investigating the cause of the L0 feed problem and manually acquiring the current and backfilled data.
|
11 September 2007
2007/254 | We are experiencing interruptions in our Aqua and Terra L0 data feed.
|
9 September 2007
2007/252 | Our Aqua and Terra L0 data feed has resumed but is currently running a bit behind.
|
8 September 2007
2007/251 | Our Aqua and Terra L0 data feed had multiple interruptions between 03:35 to 21:00 UTC.
|
7 September 2007
2007/250 | L0 data feed has resumed. We expect to be able to backfill the missing data shortly.
|
6 September 2007
2007/249 | Our Aqua and Terra L0 data feed stopped this evening about 7:30 EDT.
|
27 August 2007
2007/239 | As of about 5 AM EDT, our L0 data feed as resumed without interruptions.
|
24 August 2007
2007/236 | We are again experiencing interruptions in our Aqua and Terra L0 data feed due to ongoing issues with the NOAA hardware.
|
21 August 2007
2007/233 | The L0 data feed was restored to normal about 9 AM EDT this morning! Unfortunately, we do not expect any backfill of data and consequently will have a data gap of almost a week.
|
20 August 2007
2007/232 | Despite heroic efforts by NOAA, EDOS, and SGI folks over the weekend, the L0 data feed is still not flowing. We will post an update when we learn more.
|
16 August 2007
2007/228 | Our Aqua and Terra L0 feed continues to be very slow and very spotty. The prognosis is not good for a speedy recovery. NOAA lost 16 of the 64 CPUs in their system and this has affected communications and
diagnostics. The NOAA folks are exploring options for restoring service but it may take on the order of days rather than hours.
|
15 August 2007
2007/227 | NOAA is currently working on
getting products flowing again. In the interest of getting the most
current products out, they will be starting from 0000Z today (Day 227).
|
14 August 2007
2007/226 | We are experiencing an interruption in our Aqua and Terra L0 data feed. The cause is under investigation by NOAA.
|
3 August 2007
2007/215 | Terra performed Roll Maneuver #71, the Loss of Pointing Accuracy times were 04:11 to 05:48 UTC. Some L0 data were affected.
|
25 July 2007
2007/206 | Normal subset production resumed this morning. It will take some time to backfill the missing subsets from yesterday.
|
24 July 2007
2007/205 | Today's subsets will be delayed while we perform some tests on our production system.
|
22 July 2007
2007/203 | Our Aqua L0 input feed was interrupted from 06:00 to 07:20 UTC.
|
12 July 2007
2007/193 | Aqua performed Drag Make-Up Maneuver #30 from approximately 13:50 to 14:55 UTC.
This caused differences between geolocations calculated with the extended predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
No Rapid Response data granules were affected.
|
11 July 2007
2007/192 | We lost a RAID disk this morning. It took some time to rebuild the RAID and consequently there will be a delay in the availablity of some data.
|
29 June 2007
2007/180 | Network connection between our L0 data feed, our production system, and our web server was lost between about 7 pm last night and 8 am this morning EDT. We have received all the L0
data and are processing the backlog. It will take a while for the production system to catch up.
|
25 June 2007
2007/176 | Aqua performed Lunar Calibration Maneuver #48, slew out time was from 18:19 to 18:55 UTC. L0 granules from 17:50 to 18:50 UTC were affected by the maneuver.
|
11 June 2007
2007/162 | Our Terra L0 input feed was interrupted from 16:25 to 17:10 UTC.
|
7 June 2007
2007/158 | The Terra spacecraft underwent a reset of its solid state recorder
today. The operation took approximately seven hours.
No data was collected during this period (10:35 to 16:15 UTC), so there will be no backfill.
Version 1.5.2 of the corrected reflectance algorithm was put in production.
|
5 June 2007
2007/156 | Terra performed Roll Maneuver #69, the Loss of Pointing Accuracy times were 19:07 to 20:44 UTC. Some L0 data were affected.
|
31 May 2007
2007/151 | Version 4.13 of the land surface temperature algorithm was put in production. This new version contains no science changes.
|
23 May 2007
2007/143 | Terra performed Drag Make-up Maneuver #49. Burn executed at 14:39:05 TUC with a burn time of 8.768 sec. The low fidelity times are 13:39:00 to 16:06:42 UTC.
|
8 May 2007
2007/128 | Aqua performed Inclination Adjust Maneuver #15 from 16:25 to 16:58 UTC.
This caused a difference of up to approximately 1.3 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
|
27 April 2007
2007/117 | Aqua performed a MODIS Lunar Calibration on Friday April 27, 2007. Slew out start time was 08:30 UTC, slew back end time was 08:50 UTC. Some science data was not acquired during this time.
|
25 April 2007
2007/115 | Aqua performed Inclination Adjust Maneuver #14 from 15:16 to 15:48 UTC.
This caused a difference of up to approximately 1.3 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granule has been reprocessed with the definitive ephemeris.
Terra Look-Up Table (LUT) Version 4.3.0.56 and Aqua Look-Up Table (LUT) Version 4.3.1.36 were put in production.
|
11 April 2007
2007/101 | Aqua performed Inclination Adjust Maneuver #13 from 15:02 to 15:35 UTC.
This caused a difference of up to approximately 1.4 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
|
5 April 2007
2007/095 | We are experiencing a delay in our real-time and subset production today.
|
30 March 2007
2007/089 | Our Aqua L0 input feed was interrupted from 07:30 to 09:30 UTC.
|
28 March 2007
2007/087 | Aqua was scheduled to perform a maneuver today but it was cancelled.
This caused a difference of up to approximately 1.4 km at nadir between geolocations calculated with the predicted ephemeris (which included the maneuver)
and those calculated with the definitive ephemeris (view plot).
However, no Rapid Response granules were affected by the differences because the extended predicted ephemeris was used during the affected times.
|
22 March 2007
2007/081 | Our Aqua L0 input feed was interrupted from 02:05 to 03:45 UTC.
|
20 March 2007
2007/079 | Our Terra L0 input feed was interrupted from 00:45 to 01:45 UTC.
|
18 March 2007
2007/077 | We are continuing to experience problems in both our Aqua and Terra L0 feed today.
|
17 March 2007
2007/076 | We are continuing to experience problems in both our Aqua and Terra L0 feed today.
|
16 March 2007
2007/075 | We are continuing to experience problems in both our Aqua and Terra L0 feed today. Aqua data is missing from 05:30 to 06:00 UTC and Terra from 05:15, 05:35 to 06:45, and 09:20 to 10:05 UTC.
|
15 March 2007
2007/074 | Our Aqua L0 input feed was interrupted from 08:35 to 10:05 UTC. Our Terra L0 input feed was interrupted from 09:50 to 10:40 UTC.
|
14 March 2007
2007/073 | Aqua performed Inclination Adjust Maneuver #12 from 16:14 to 16:45 UTC.
This caused a difference of up to approximately 1.5 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
|
13 March 2007
2007/072 | Our Aqua L0 input feed was interrupted from 21:45 to 23:30 UTC. Our Terra L0 input feed was interrupted from 18:45 to 19:55 and 22:20 and 22:35 UTC.
|
12 March 2007
2007/071 | Our Aqua and Terra L0 feed resumed about 12:00 UTC. We have received word that the missing ~30 hours of data will not be backfilled.
|
11 March 2007
2007/070 | Our Aqua and Terra L0 feeds have been down since before 07:00 UTC this morning.
|
8 March 2007
2007/067 | Our Aqua L0 input feed was interrupted from 16:45 to 18:20 UTC.
|
2 March 2007
2007/061 | Version 5.0.1 of the fire algorithm was put in production. There will not be a noticable difference in the number of fires detected from the previous version (4.3.3) but there will be large differences in the confidence and fire radiative power values.
|
20 February 2007
2007/051 | We are experiencing a delay in both our Aqua and Terra L0 feed today.
|
15 February 2007
2007/046 | The hardware issues have been resolved but it may take a while for subset production to catch up.
|
14 February 2007
2007/045 | We are experiencing delay in our subset production due to hardware issues.
|
6 February 2007
2007/037 | We are currently experiencing network disruptions to our production system and new data is not being posted to the web.
|
1 February 2007
2007/032 | We are missing Terra granules from 19:40 to 20:45 UTC today.
|
25 January 2007
2007/025 | We are experiencing a delay in both our Aqua and Terra L0 feed today.
|
10 January 2007
2007/010 | We are continuing to experience a delay in both our Aqua and Terra L0 feed today.
|
9 January 2007
2007/009 | We are continuing to experience a delay in both our Aqua and Terra L0 feed today.
|
8 January 2007
2007/008 | We are continuing to experience a delay in both our Aqua and Terra L0 feed today.
|
7 January 2007
2007/007 | We are experiencing a delay in both our Aqua and Terra L0 feed today.
|
4 January 2007
2007/004 | Aqua performed Drag Make-Up Maneuver #29 from 16:05 to 16:59 UTC.
This caused differences between geolocations calculated with the extended predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
No Rapid Response data granules were affected.
|
1 January 2007
2007/001 | We are continuing to experience a delay in both our Aqua and Terra L0 feed today.
|
31 December 2006
2006/365 | We are continuing to experience a delay in both our Aqua and Terra L0 feed today.
|
30 December 2006
2006/364 | We are experiencing a delay in both our Aqua and Terra L0 feed today.
|
25 December 2006
2006/359 | We are continuing to experience a delay in both our Aqua and Terra L0 feed today.
|
24 December 2006
2006/358 | We are continuing to experience a delay in both our Aqua and Terra L0 feed today.
|
23 December 2006
2006/357 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning.
|
6 December 2006
2006/340 | Terra performed a Drag Make-Up Maneuver at 18:31 UTC. L0 granules from 18:15 to 19:25 UTC were affected by the maneuver.
|
28 November 2006
2006/332 | The Rapid Response system was down for several hours this morning due to a power outage.
|
21 November 2006
2006/325 | Due to a RAID failure on our production system today, subset production has been disrupted. The hardware has been replaced and subset production will resume shortly.
Terra performed an Inclination Maneuver from 13:46 to 18:58 UTC. L0 granules from 16:35 to 16:55 UTC were affected by the maneuver.
|
16 November 2006
2006/320 | Aqua performed a Drag Make-Up Maneuver yesterday.
This caused a difference of up to approximately 1.5 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
|
15 November 2006
2006/319 | Aqua performed Drag Make-Up Maneuver #28 at 15:19 UTC.
This caused a difference of up to approximately 0.7 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
|
14 November 2006
2006/318 | Terra performed Inclination Maneuver #16 from 13:40 to 18:52 UTC, the Loss of Pointing Accuracy times were 14:38 to 17:48 UTC. L0 granules from 15:50 to 17:50 UTC were affected by the maneuver.
|
9 November 2006
2006/313 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning.
Terra performed a Roll Maneuver (-13.28 degree roll) from 17:29 to 17:48 UTC. Some L0 data were affected.
|
18 October 2006
2006/291 | Our network was down for power work today from 6am until noon. We expect to take a while to clear the backlog.
|
17 October 2006
2006/290 | As of yesterday, the data line from Alaska has been fixed. A large backlog of L0 data was received and this interferred with the receipt and processing of the current data. Realtime browse production is now current but it may take a bit for the subset production to completely catch up.
|
16 October 2006
2006/289 | Our Aqua and Terra L0 feeds are lagging behind today as lost Aqua data from previous days (286 and 285) is being transmitted.
|
13 October 2006
2006/286 | On Monday morning, October 16, we received all but 4 of the missing granules for this day. It will take a while for the real-time and subset production for this day to catch up.
|
12 October 2006
2006/285 | We are continuing to experience loss of Aqua data via the Norway feed. From this day we are missing 12:25-14:40, 16:10-17:40, and 20:50-22:40 (70 out of 288 granules).
|
11 October 2006
2006/284 | The high rate data line from Alaska is still down and ETA for fixing the link is Friday due to major flooding in the area.
In the meantime, EDOS is receiving data directly from Norway along a different link. Unfortunately, this link shows extremely large numbers of uncorrectable errors in the data, resulting in line and pixel drop outs.
As a result of the work on correctly this problem, we are missing a large number of granules from this day - 10:30-13:35, 15:30-17:00, 18:30-19:55, and 20:20-23:35 (114 out of 288 granules).
|
10 October 2006
2006/283 | The high rate data line from Alaska went down, therefore we are missing Aqua 08:50-08:55, 09:50-11:15, 14:40-15:55, and 17:50-22:50 (121 out of 288 granules).
|
28 September 2006
2006/271 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning.
|
20 September 2006
2006/263 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning.
|
12 September 2006
2006/255 | Aqua performed an Inclination Maneuver from 16:09 to 16:41 UTC.
This caused a difference of up to approximately 1.3 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
|
7 September 2006
2006/250 | Aqua performed an Inclination Maneuver from 15:51 to 16:23 UTC.
This caused a difference of up to approximately 1.3 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
No Rapid Response data granules were affected.
|
29 August 2006
2006/241 | Aqua performed an Inclination Maneuver from 15:58 to 16:30 UTC.
This caused a difference of up to approximately 1.3 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
|
24 August 2006
2006/236 | Transfer of real-time and subset images to our web site have been delayed due to network issues. Transfers have resumed and should catch up soon.
|
22 August 2006
2006/234 | Aqua performed an Inclination Maneuver from 16:02 to 16:11 UTC.
This caused a difference of up to approximately 1.5 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
The affected data granules have been reprocessed with the definitive ephemeris.
Terra's Space View Door and Nadir Aperture Door were closed between 16:37 and 19:15 UTC resulting in the loss of data during this time.
|
14 August 2006
2006/226 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning.
|
7 August 2006
2006/219 | The Rapid Response website was down Monday August 7, 2006 from 11am to 5pm ET for hardware upgrade.
|
6 July 2006
2006/187 | Aqua performed a Lunar Calibration Maneuver from 13:35 to 14:11 UTC.
|
5 July 2006
2006/186 | Our Aqua L0 input feed was interrupted from 00:55 to 07:20 and 08:35 to 08:55 UTC due to problems
at the Svalbard, Norway receiving station.
Terra processing for today was interrupted by a truncated ephemeris file. The file has
been corrected and processing has resumed.
|
21 June 2006
2006/172 | The Terra NAV Drag Model Update was implemented today between 14:17 and 20:38 UTC. During this time, there was a significant degradation in geolocation accuracy.
|
14 June 2006
2006/165 | Aqua performed a Drag Make-Up Maneuver at about 14:22 UTC. No
granules needed to be reprocessed.
|
12 June 2006
2006/163 | Production of Terra data after 16:25 UTC yesterday (June 11, day 162) was delayed by a truncated predicted ephemeris file. The file has been corrected and production will catch up soon.
|
7 June 2006
2006/158 | Our Aqua L0 input feed was interrupted from 03:45 to 07:25 UTC due to problems
at the Svalbard, Norway receiving station.
|
24 May 2006
2006/144 | Terra performed a Drag Make-Up Maneuver at about 17:43 UTC.
|
17 May 2006
2006/137 | Terra Look-Up Table (LUT) Version 4.3.0.45 and Aqua Look-Up Table (LUT)
Version 4.3.1.28 were put in production.
|
5 May 2006
2006/125 | The NOAA machine which provides our L0 data feed was down from 01:30-07:30am (ET).
Data flow has resumed but is still slow because the NOAA
machine is very busy catching up on their processing.
|
1 May 2006
2006/121 | We are experiencing a delay in our Terra L0 feed this morning.
|
26 April 2006
2006/116 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning.
|
29 March 2006
2006/088 | The Rapid Response system has been restarted after the electrical work in
Building 32. However, we are still having issues with our L0 feed and are
working on it.
|
28 March 2006
2006/087 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning.
|
27 February 2006
2006/058 | Due to hardware problems, some current subsets are not available. We expect to
resume current subset production soon and will backfill the missing days.
|
8 February 2006
2006/039 | Aqua performed a Lunar Calibration Maneuver from 05:07 to 05:39 UTC.
|
7 February 2006
2006/038 | Due to hardware problems, some current subsets are not available.
|
13 January 2006
2006/013 | Terra Look-Up Table (LUT) Version 4.3.0.37 and Aqua Look-Up Table (LUT)
Version 4.3.1.24 were put in production.
|
9 January 2006
2006/009 | Aqua performed a Lunar Calibration Maneuver from 14:50 to 15:18 UTC.
|
20 December 2005
2005/354 | We are experiencing a delay in both our Aqua and Terra L0 today.
|
16 December 2005
2005/350 | Terra Look-Up Table (LUT) Version 4.3.0.36 and Aqua Look-Up Table (LUT)
Version 4.3.1.23 were put in production.
|
7 December 2005
2005/341 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning
due to hardware problems with the NOAA system.
Terra performed an Inclination Maneuver from 14:45 to 15:21 UTC.
|
6 December 2005
2005/340 | We are experiencing a delay in both our Aqua and Terra L0 feed this morning as
the NOAA system is catching up with the backlog from yesterday's interruption.
|
5 December 2005
2005/339 | Our Terra L0 input feed has been interrupted since 08:15 UTC, due to network
problems between EDOS and White Sands.
|
1 December 2005
2005/335 | The Aqua Drag Make-Up Maneuver scheduled for today was postponed. However, this maneuver had been modeled in the predicted
ephemeris and this led to a difference of up to approximately 1km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view
plot). The affected data granules have been reprocessed with the definitive ephemeris.
|
27 November 2005
2005/331 | Terra data is not available from 06:45 to 07:35 UTC.
|
27 October 2005
2005/300 | Our Aqua L0 input feed was interrupted from 07:10 to 07:45 UTC.
|
18 October 2005
2005/291 | Our Aqua L0 input feed was interrupted from 09:40 to 10:50 UTC.
|
7 October 2005
2005/280 | Due to hardware problems, some of the subset and real-time imagery archive is temporarily unavailable.
|
1 October 2005
2005/274 | Our Aqua L0 input feed was interrupted from 20:10 to 21:50 UTC.
|
23 September 2005
2005/266 | On the Terra MODIS instrument, at approximately 14:36, TMON 16 tripped causing the Science Formatter to turn off.
It was turned back on at 19:46:37. Terra data from 14:35 to 19:50 UTC were lost.
|
20 September 2005
2005/263 | Our Aqua L0 input feed was sporadic during the morning but caught up by day's end.
|
15 September 2005
2005/258 | Our Terra L0 input feed was corrupted from about 18:00 to 19:00 UTC.
|
9 September 2005
2005/252 | Corrected the spelling of the subset name AERONET_La_Parguera.
|
2 September 2005
2005/245 | Our L0 input feed, for both Aqua and Terra, was interrupted and some data from the early morning UTC was not back-filled.
|
26 August 2005
2005/238 | Our Terra L0 input feed was interrupted numerous times in the latter half of the day.
|
25 August 2005
2005/237 | Due to a large spike in the Planetary A index in the predicted ephemeris calculations, there was a
difference of up to approximately 800 m at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view
plot). The affected data granules have been reprocessed with the definitive ephemeris.
|
10 August 2005
2005/222 | Our L0 input feed was interrupted from 19:40 UTC yesterday to 12:30 UTC for Terra and from 19:45 UTC yesterday to 02:35 UTC for Aqua.
|
3 August 2005
2005/215 | Aqua performed a Drag Make-Up Maneuver from 15:55 to 17:04 UTC
|
25 July 2005
2005/206 | Terra Look-Up Table (LUT) Version 4.3.0.30 and Aqua Look-Up Table (LUT)
Version 4.3.1.19 were put in production.
|
2 July 2005
2005/183 | Some current data is not available due to hardware issues.
|
3 June 2005
2005/154 | Our Aqua L0 input feed was interrupted from 04:40 to 07:30 UTC.
|
16 May 2005
2005/136 | Our Aqua L0 input feed was interrupted from 06:25 to 08:10 UTC.
|
14 May 2005
2005/134 | Our Aqua L0 input feed was interrupted from 19:10 to 20:25 UTC.
|
9 May 2005
2005/129 | Our Aqua L0 input feed was interrupted from 09:35 to 11:15 and from 17:55 to 19:30 UTC.
|
5 May 2005
2005/125 | Our Terra L0 input feed was interrupted from 07:45 to 08:10 UTC.
|
28 April 2005
2005/118 | Our Aqua L0 input feed was interrupted from 19:45 UTC today to 00:30 UTC on the 29th (day 119).
|
26 April 2005
2005/116 | Our Aqua L0 input feed was interrupted from 13:25 to 15:10 UTC.
|
20 April 2005
2005/110 | Terra Look-Up Table (LUT) Version 4.3.0.25 and Aqua Look-Up Table (LUT)
Version 4.3.1.16 were put in production.
|
19 April 2005
2005/109 | Aqua performed a Lunar Calibration Maneuver from 18:25 to 18:53 UTC.
|
17 April 2005
2005/107 | Our Terra L0 input feed was interrupted from 21:25 to 22:15 UTC.
|
16 April 2005
2005/106 | Our Aqua L0 input feed was interrupted from 02:40 to 05:35 UTC.
|
4 April 2005
2005/094 | Our L0 input feed was corrupted over the weekend, resulting in missing browse
and subset images. We are working to retrieve the missing and corrupt
granules.
|
27 March 2005
2005/086 | Subset production has been interrupted due to software problems. We are
working to restore production.
|
12 February 2005
2005/043 | Our input data feed, production system, and web site will down Saturday during
preventative maintenance on the building electrical system.
|
9 February 2005
2005/040 | Our input data feed stopped about 7 am ET due to NOAA doing maintenance and upgrades and resumed about 12pm ET.
|
7 February 2005
2005/038 | Production was interrupted around 2pm ET because of hardware issues. Production was resumed about 5pm ET on the 8th.
|
24 December 2004
2004/359 | At 13:51:23 UTC, Terra science data stopped. The
spacecraft's Science Formatting Equipment (SFE) was turned off in
response to a limit violation detected by a telemetry monitor
(TMON)#16 while the spacecraft was in the South Atlantic Anomaly
(SAA) region. When the SFE-A is off, science data are not recorded nor
downlinked via Direct Broadcast. This anomaly is similar to
other anomalies which have occurred 5 times over the past 5 years, the
latest one in February of this year. The Flight Operations Team completed recovery operations
and science data started flowing again at 20:40:21 UTC.
|
18 October 2004
2004/292 | We upgraded the land cover data set used by the Land Surface Temperature code to version 4.
|
12 October 2004
2004/286 | Aqua performed an Inclination Maneuver from 15:39 to 16:11 UTC.
|
5 October 2004
2004/279 | Aqua performed an Inclination Maneuver from 15:34 to 16:05 UTC.
|
28 September 2004
2004/272 | Aqua performed an Inclination Maneuver from 15:28 to 16:00 UTC.
|
21 September 2004
2004/265 | Aqua performed an Inclination Maneuver from 15:23 to 15:54 UTC.
|
14 September 2004
2004/258 | Aqua performed an Inclination Maneuver from 15:18 to 15:49 UTC.
|
9 September 2004
2004/253 | EDOS lost the connection with its Earth Station in Norway around 06:28 UTC, and has been unable to transfer Aqua high-rate science data from Norway to GSFC for processing. As a result, we received no Aqua level-0 data from 06:35 to 09:55 UTC.
|
31 August 2004
2004/244 | Version 4.3.3 of the fire algorithm was put in production. This new version contains no science changes.
|
5 August 2004
2004/218 | Aqua performed a Drag Make-Up Maneuver from 09:46 to 11:31 UTC
|
2 August 2004
2004/215 | The Rapid Response web site went down around 10pm ET last evening because of power failure. The system was back up around 8am ET today. The same power outage also caused a loss of 1-2 hours of L0 data.
|
12 July 2004
2004/194 | As of today all nighttime granules over most land surfaces (i.e. continents and major islands) are processed for fire detection (opposed to selected regions only).
|
28 June 2004
2004/180 | Aqua performed a Lunar Calibration Maneuver from 12:06 to 12:35 UTC.
|
22 June 2004
2004/174 | Aqua performed a Drag Make-Up Maneuver from 19:07 to 21:10 UTC.
|
17 June 2004
2004/169 | Our input data feed was interrupted around 9am ET because of network issues at GSFC. Production resumed in the afternoon but lags are expected. Normal operations resumed on 6/17 around 9am ET.
|
25 May 2004
2004/146 | The Center is experiencing severe network problems since 6pm ET. As a result the distribution of our near-real-time products is suspended. Normal operations resumed at 10am ET on 5/26.
|
29 April 2004
2004/120 | All systems went down around 4pm ET because of a widespread power outage in
our computer room. Some systems came back online after a few hours when power
was partially restored. Production was disrupted for another 24 hours.
|
21 April 2004
2004/112 | Our input data feed from NOAA was down again since 4 pm ET yesterday and
resumed about 2 pm ET today. We will be attempting to back fill the daytime granules.
Aqua performed a Drag Make-Up Maneuver from 14:46 to 15:43 UTC.
|
19 April 2004
2004/110 | Version 1.0 of the land surface temperature algorithm was put in production.
|
18 April 2004
2004/109 | Our input data feed from NOAA was interrupted at about 2pm ET due to hardware
failure on their server.
|
1 April 2004
2004/092 | Our input data flow, our production system, and our web site will be down
today due to maintenance on the building power. Power and the web site were
restored about 5pm ET. It may be a few hours before input data flow and
production are resumed and we expect some gap in the input data.
|
31 March 2004
2004/091 | Aqua performed a maneuver beginning at 15:11 UTC. This caused a
difference of up to approximately 3 km at nadir between geolocations calculated with the predicted ephemeris
and that calculated with the definitive ephemeris (view
plot). The affected data granules have been reprocessed with the definitive ephemeris.
|
22 March 2004
2004/082 | Data flow to our web server was interrupted around 8am ET because of disk hardware
issues. Data flow was restored about 2pm ET.
|
19 March 2004
2004/079 | Production was interrupted around 8am ET because of disk hardware
issues. Production was resumed about 2pm ET.
|
25 February 2004
2004/056 | Our input data feed has been stopped since 9 am ET due to NOAA doing maintenance and upgrades.
|
19 February 2004
2004/050 | The Terra spacecraft has experienced a failure in it's data formatter at about
14:30 UTC on the 18th. Data flow was restored about 16:25 UTC today.
|
4 February 2004
2004/035 | Our input data feed has been intermittent due to NOAA doing
maintenance and should return to normal this evening.
|
20 January 2004
2004/020 | Our input data feed from NOAA was interrupted at about 09:30am ET but returned to normal about 3 pm ET.
|
24 December 2003
2003/358 | The Terra nadir door was opened around 20:21 UTC. Production of science products resumed at nominal performance.
|
22 December 2003
2003/356 | Terra was brought back up on Dec. 20., and MODIS acquisition was turned back on at 22:40 UTC on Dec. 22. However the nadir door is going to remain closed until Dec. 24, so no useful Earth View data are available until then.
|
16 December 2003
2003/350 | The Terra spacecraft transitioned into Earth-pointing Safehold at
approximately 13:04 UTC this morning (08:04 ET). No Terra MODIS data is currently being collected.
For updates, visit the MODIS Web News
Page.
|
11 December 2003
2003/345 | Up-to-date Aqua predicted ephemeris was not received from December 11 (julian
345) to early morning on December 15 (julian 349). During that time Aqua data
was generated using earlier predictions. This caused a difference of up to
approximately 1 km at nadir between geolocations calculated with the predicted
ephemeris and those calculated with the definitive ephemeris for December 14 (view plot)
and early December 15 (view plot). The affected data granules have been reprocessed with the definitive ephemeris.
|
10 December 2003
2003/344 | Production was interrupted around 8pm ET because of hardware
issues. Near-real-time production resumed around 9am ET on Dec 12.
|
7 December 2003
2003/341 | Production was interrupted around 7pm ET because of hardware issues.
Near-real-time production resumed around 7am ET on Dec 8.
|
5 December 2003
2003/339 | The Rapid Response web site went down around 9pm ET because of hardware failure. The system was back up around 6pm ET on Dec. 6.
|
21 November 2003
2003/325 | Data from the Aqua satellite had a difference of up to approximately 2 1/2 km
at nadir between geolocations calculated with the standard predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
This was probably caused by solar activity. The affected data granules have been reprocessed with the definitive ephemeris.
|
18 November 2003
2003/322 | Our input data feed from NOAA was delayed by up to 3 hours but returned to normal about 8 am ET.
|
17 November 2003
2003/321 | Production was interrupted around 12pm ET because of hardware issues. Near-real-time production resumed around 7pm ET.
|
8 November 2003
2003/312 | The near-real-time production was interrupted around 3:30am ET because of hardware failure. Normal operations resumed around 11pm ET. Production delays are expected for granules received during that time interval.
|
5 November 2003
2003/309 | Aqua performed a maneuver beginning at 15:00 UTC. This caused a
difference of up to approximately 7 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view
plot). The affected data granules have been reprocessed with the definitive ephemeris.
|
4 November 2003
2003/308 | Data from the Aqua satellite had a difference of up to approximately 1600 m at
nadir between geolocations calculated with the standard predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
This was probably caused by solar activity. The affected data granules have been reprocessed with the definitive ephemeris.
|
1 November 2003
2003/305 | Data from the Aqua satellite had a difference of up to approximately 2 1/2 km
at nadir between geolocations calculated with the standard predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
This was probably caused by solar activity. The affected data granules have been reprocessed with the definitive ephemeris.
|
31 October 2003
2003/304 | Data from the Aqua satellite had a difference of up to approximately 1250 m at
nadir between geolocations calculated with the standard predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
This was probably caused by solar activity. The affected data granules have been reprocessed with the definitive ephemeris.
|
30 October 2003
2003/303 | Data from the Aqua satellite had a difference of up to approximately 700 m at
nadir between geolocations calculated with the standard predicted ephemeris
and those calculated with the definitive ephemeris (view plot).
This was probably caused by solar activity. The affected data granules have been reprocessed with the definitive ephemeris.
|
7 October 2003
2003/280 | Aqua performed an Inclination Maneuver beginning at 15:08 UTC.
This caused a difference of up to approximately 6 km at nadir between geolocations calculated with the predicted ephemeris
and those calculated with the definitive ephemeris (view plot) from that time up to the end of the day.
|
5 October 2003
2003/278 | Production was interrupted around 3am ET because of hardware failure.
|
25 September 2003
2003/268 | Production was interrupted around 11pm ET on 9/24 because of hardware failure. Near-real-time production resumed around 12pm noon ET.
|
18 September 2003
2003/261 | Near-real-time production is suspended at 8pm ET in anticipation
of power outages. Due to network outages normal production is resumed on 9/20
at 12pm noon ET only.
|
13 September 2003
2003/256 | Aqua predicted ephemeris was not received for julian day 256.
Morning data started being processed using the definitive ephemeris around 1pm ET.
|
7 September 2003
2003/250 | Our input data feed from NOAA is disrupted. We observe data drop-outs and a number of granules cannot be processed.
|
4 September 2003
2003/247 | The near-real-time production of Aqua data is suspended
temporarily because of errors observed in the predicted ephemeris
that first occurred on day 224 (08/12) and now reaches 10km along-track. Therefore
Aqua data are processed approximately 26 hrs after acquisition using the
definitive ephemeris. The ephemeris prediction was fixed on 9/5 by the Flight
Dynamics group. Near-real-time Aqua production resumed on 9/6.
|
31 August 2003
2003/243 | We started experiencing hardware troubles around 11:30pm ET. Production resumed around 9pm ET on 09/01 at 10% capacity. Normal production resumed around 9am ET on 09/02.
|
29 August 2003
2003/241 | Aqua predicted ephemeris was not received for julian day 241.
Morning data started being processed using the definitive ephemeris around 1pm ET.
|
28 August 2003
2003/240 | Our automatic input data feed has been disrupted since around 4pm ET. As a result we are
experiencing delays in our production. Resolved on 8/29 at 11am ET.
|
23 August 2003
2003/235 | The realtime calendar page was down from Sat 23 around 10pm ET to
Sun 24 around 10am ET.
|
22 August 2003
2003/234 | The Aqua geolocation error caused by the ephemeris prediction
error we have experienced since day 224 reaches 500m along-track and begins to be
noticeable. The problem was resolved on 9/4.
|
19 August 2003
2003/231 | An unusually large number of missing packets is observed in the Aqua granules over the South Atlantic Anomaly (16:50 to 17:10 UTC). These same granules processed later at the DAAC are correct, likely thanks to the Level-0 sorting process run at the DAAC and not in the Rapid Response System.
|
18 August 2003
2003/230 | Emissive bands were not processed successfully in the afternoon data for latitudes ranging from approximately 30N to 55N. As a result no fire detection was performed in the affected areas. The problem seems to be specific to the IMAPP version of the level-1B code, although the exact cause is unknown. The level-1B product processed later at the DAAC is correct.
|
15 August 2003
2003/227 | We experienced errors on one of the disks on the Rapid Response
web server today and near-real time browse data from 2001 day 240 to 2002 day 299 are
not available.
Update: The affected disk has been taken offline and data
will be made available again as it is recovered.
|
13 August 2003
2003/225 | Aqua predicted ephemeris is not yet available for today, julian
day 225. Resolved: This Aqua data has been processed
using definitive ephemeris.
|
12 August 2003
2003/224 | A computational error in the Aqua predicted ephemeris we receive
from the Flight Dynamics group induces a geolocation error in the Aqua data
that grows every day. The problem was uncovered on 08/29 and the cause was
determined on 9/3. We stopped using the predicted ephemeris on 9/4 until it
was fixed on 9/6 (day 249). Most Aqua granules from day 240 to 247 were reprocessed using the definitive
ephemeris.
|
20 March 2003
2003/079 | Version 4.3.2 of the fire algorithm was put in production. This new version contains minor science changes.
|
6 December 2002
2002/340 | Version 4.3.1 of the fire algorithm was put in production. This new version contains major science changes compared to the previous version (3.1.6).
|
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