PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = STREAM                                                
OBJECT                = TEXT                                                  
  PUBLICATION_DATE    = 2005-06-16                                            
  NOTE                = "Description of the CALIB directory contents for an   
                         INMS archive volume."                                
END_OBJECT            = TEXT                                                  
END                                                                           
                                                                              
                                                                              
The following text is derived from [GELLETAL2005].                            
                                                                              
This directory contains one or more spreadsheets of instrument calibration    
data. The files are named according to their time range of applicability. For 
example, if it is determined that the calibration after 2007-030 is           
sufficiently changed, a file incorporating that date in its name will have    
been added. The naming convention is as follows:                              
                                                                              
  yyyyddd_CAL_vv.CSV                                                          
                                                                              
  where:   yyyyddd = Date of validity (yyyy = Year, ddd = Day of Year)        
                vv = Version number of data (01, 02, ..., etc.)               
                                                                              
To avoid the requirement of redistributing all physical media data volumes in 
the event of a calibration update, the CALIB directory will be present on only
the first physical volume COINMS_3001. The most recent calibration data check 
may be obtained from the PDS/PPI website:                                     
                                                                              
  http://pds-ppi.igpp.ucla.edu/ditdos                                         
                                                                              
Detailed documentation of the preflight characterization is contained in the  
EXTRAS directory of the first physical volume.                                
                                                                              
                                                                              
Calibration summary directory contents:                                       
                                                                              
CALINFO.TXT - brief description of directory contents and naming conventions  
    (this file)                                                               
                                                                              
*CAL*.CSV - calibration summary file                                          
                                                                              
*CAL*.LBL - PDS label for CAL file of same base name