The CALDB Index File lists the contents of each CalDB file.

Instrument	DETNAM	FILTER	File	Quality	Last Updated	CODE	Description
INS	NONE	INDEF	leapsec_010712.fits	0	2012-01-27	LEAPSECS	Table of times at which Leap seconds occurred
INS	NONE	INDEF	rigidity_20000101.fits	0	2007-05-17	RIGIDITY	Table of cut-off rigidity (COR)
INS	NONE	INDEF	rigidity_20060421.fits	0	2007-05-17	RIGIDITY	Table of cut-off rigidity (COR)