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Level 1B Product Information and Status

The Level 1B Code generates data products containing calibrated radiances for all 36 MODIS bands and reflectances for the reflective Solar bands (Bands 1 through 19 and 26). The MODIS Terra L1B Version 3.0 and higher software is considered validated.

Collection 5 processing is ongoing and  is producing Level 1B products. Collection 6 released to public July 18, 2012 for Aqua and Nov 5, 2012 for Terra.  There will be an initial period during which both Collection 5 and Collection 6 products will be available.

Using the PGE02 version 5.0.6.34 LUT in MODAPS production, a Terra Level 1B data processing failure occurred on day 2007-09-17 at 19:35UT when the linearly-interpolated RVS_correction values for Band 8 fell below a hard-coded limit.  SeaWiFS production encountered the same problem starting on 2007-09-18 at 09:45UT. A code fix was implemented as version 5.0.38 and data production was resumed during the evening on 2007-09-20.

Collection 005Forward ProcessingForward Processing
TerraAquaTerraAqua
Current L1B CodePGE02
Version
5.0.485.0.436.1.266.1.37
Began
Production
May 16, 2015June 10, 2015May 12, 2017May 12, 2017
First Granule(s) ProcessedMay 16, 2015
(Day2015136)
00:00 UT
June 10, 2015 (Day 2015161)
00:00 UT
May 12, 2017 (Day 2017132) 00:00 UTMay 12, 2017
(Day 2017132)
00:00 UT
Current L1B LUTsVersion5.0.48.275.0.43.256.1.26.86.1.37.8
Began
Production
March 25, 2017March 14, 2017

November 16, 2017

November 10, 2017
First Granule(s) Processed

March 25, 2016 (Day 2017084) 00:00 UT

March 14, 2017 (Day 2017073) 00:00 UT

November 16, 2017 (Day 2017320) 00:00 UT

November 10, 2017 (Day 2017314) 00:00 UT