***** File CALINFO.TXT                                                        
                                                                              
     This file describes the contents of the CALIB directory for HAL_0023.    
The directory contains a copy of the calibration datasets from the Infrared   
Studies, Large-Scale Phenomena, and Spectroscopy and Spectrophotometry        
Disciplines.  Along with their separate placement here on HAL_0023, the       
calibration data are also placed on all the "mixed discs" (HAL_00nn,          
nn=19-23), interspersed with the Halley data in the chronological data        
directories.                                                                  
                                                                              
     Here, the data are stored in Discipline-specific subdirectories called   
IRSTUD, LSPN, and SPECTR.  The subdirectory SPECTR is further broken down into
the individual mixed discs:  HAL_0019 through HAL_0023.  As usual, the        
datasets are found in three parts--the PDS label, the FITS header, and the    
actual data.