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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
5.0.465.0.416.1.146.1.17
Began
Production
May 16, 2010April 19, 2012September 30, 2012June 27, 2012
First Granule(s) ProcessedMay 16, 2010
(Day2010136)
00:00 UT
April 19, 2012 (Day 2012110)
00:00 UT
February 24, 2000
(Day 2000055)
00:00 UT
July 4, 2002
(Day 2002185)
00:00 UT
Current L1B LUTsVersion5.0.46.765.0.41.296.1.14.296.1.17.29
Began
Production
July 15, 2014July 22, 2014July 15, 2014July 22, 2014
First Granule(s) Processed

July 15, 2014 (Day 2014196) 00:00 UT

July 22, 2014 (Day 2014203) 00:00 UT

July 15, 2014 (Day 2014196) 00:00 UT

July 22, 2014 (Day 2014203) 00:00 UT