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please visit the following page for OMTO3 L2 readme file

https://disc.sci.gsfc.nasa.gov/Aura/data-holdings/OMI/documents/v003/OMTO3_README_V003.pdf
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2018/08/13

 Reprocessed ovp files starting o74701 (07/31/22Z) to o74887

2017/03/27

 OMI transitioned into survival mode!
 NO data between o67327 (03/12) and o67402 (03/17)

2017/02/03

 Reprocessed overpass files for orbits 66300-66432

2017/01/12

 Reprocessed OMI overpass files for orbits 66255-6, 66299, 66300, 66315-6, and 66414-9

2016/06/24

 Reprocessed overpass files for orbits 62352 - 63480
 (due to the KNMI request to start using the NSIDC issued daily NISE maps)

2015/03/16

 Reprocessed overpass files for orbits 56323 - 56328
 (due to Norway data recovery issue)

2014/12/11

 Reprocessed overpass files for orbits 55140 - 55141

2014/11/28

 Reprocessed overpass files for orbits 53601 - 54609
 (2014/08/13 00Z - 2014/10/21 05Z) for row anomaly correction

2013/08/12

 Reprocessed overpass files for orbit 48182

2013/08/05

 Reprocessed overpass files for
 orbit 46899-46904 and 46915-46918
 due to a solar eclipse problem that occurred during this time

2013/02/25

 Reprocessed overpass files between
 orbit 42795 (07/31/12) and orbit 45374 (01/25/13)
 due to a new set of row anomaly flags from KNMI

2012/08/29

 Reprocessed overpass files between
 orbit 41324 (04/21/12) and orbit 42898 (08/08/12)
 due to L1B flag table update

2012/04/12

 Reprocessed OMTO3 L2 data (PGE version 2.2.1)
 Criteria : L2 quality flag equal to 0 or 1 and bit 6 is not set