PGE Versions

Last Update: January 22, 2010

Forward Processing

  • Collection 5 codes are presently being used for all Terra and Aqua L1 and land processing.
  • Collection 5.1 for Aqua atmospheres started on November 1, 2008.
  • Collection 4.1 Land Surface Temperature (LST) will run in parallel with collection 5 LST.


  • Terra atmospheres reprocessing for collection 5.1 is expected to start in February 2010.

The following link provides tables of the PGE Versions currently being used for MODAPS forward and reprocessing activities.

The following link provides a history of the dates at which PGE Version changes were made in production:

The following link provides an archive of MODAPS Product Change Requests (PCRs):