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Terra Science Formatter Equipment (SFE) Anomaly

Oct
30

SFE Anomaly: After passage through the SAA on 2014/299 ~01:35 EDOS observed corrupted MODIS data. The cause was traced to a formatter card that had become out of sync resulting in the corrupt data. Only MODIS data is processed by this card so no other instruments were affected. FOT successfully reset the card and returned data flow to nominal operation. Expect a data loss from 2014/299 01:35:00 – 18:47:00. Exact loss time still to be confirmed by FOT.

Posted By aangal read more

Terra MODIS Collection 6 Level 1B Products to be Reprocessed

Aug
11

Terra MODIS Collection 6 Level 1B products will be reprocessed to correct for the long term drift observed in the reflectance trending of band 5. More details regarding the reprocessing schedule can be found here: http://ladsweb.nascom.nasa.gov/news/news080414.html

Also, information regarding this calibration change can be found here.
http://mcst.gsfc.nasa.gov/content/collection-6-information

Posted By aangal read more

MODIS Science Team Meeting 2014 Presentations Available

May
22

The presentations from the MODIS Science Team Meeting, April-2014 are available at the following location: http://modis.gsfc.nasa.gov/sci_team/meetings/201404/

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Terra Band 36 Detector 7 (Product Order) QA change

May
12

Terra experienced an anomaly for B36/D7 beginning on 2014109.1405. Unlike previous instances of this unknown electronics/formatter anomaly, the detector behavior has not returned to normal.After 2 weeks continually being in the anomaly state, the decision was made to change the QA flag for this detector from 'Noisy' to 'Inoperable'. All Band 36 detectors are currently flagged as Noisy.

This QA change will be in effect from the LUT versions 5.0.46.73 (Collection 5) and 6.1.14.26 (Collection 6)

Posted By aangal read more

12 Years since Aqua launch

May
06

May 4, 2014 marked the 12 year anniversary of Aqua launch. The MODIS instrument on-board the Aqua spacecraft has well surpassed its design lifetime, but continues to provide valuable datasets for studies of Earth's land, ocean and atmosphere systems.

Posted By aangal read more

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MODIS Characterization Support Team

MCST is dedicated to the production of a high quality MODIS calibration product. This product is a precursor to every geophysical science product. MCST works for the Science Team Leader and is responsible for developing and maintaining the calibration product (L1B algorithm).

Calibration

Collection 6 has been under development for a number of years. MCST, in consultation with representatives of the science disciplines, developed improvements to the calibration algorithms and methodolgies to handle known issues with the aging MODIS sensors. Summary talks of the proposed Collection 6 changes have been delivered at the MODIS science team meetings over the last few years. Please see the major changes implemented in MODIS Collection 6 LUTs as compared with Collection 5 LUTs.

L1B

Current L1B LUTs: Terra: Version 5.0.46.81 Aqua: Version 5.0.41.32

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