NOTE: The fourth letter is a 't' because of the use of data from ascat-b and ascat-c in tandem to create better images with less data loss.

The data from ascat-t is being used as of May 5, 2022, and has been renamed to end with an 'a' (ie. msfa) for consistency purposes. This means that the files labeled with the 'msfa' prefix before May 5 will be images created from only ascat-b data, but the files after May 5 will be images created from ascat-b and ascat-c in tandem.