PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = STREAM                                                
OBJECT                = TEXT                                                  
  PUBLICATION_DATE      = 2004-01-26                                          
  NOTE                  = "INFO.TXT describes the Magnetometer (MAG)          
                           data, expressed in Planetocentric coordinates,     
                           available on this volume."                         
END_OBJECT            = TEXT                                                  
END                                                                           
                                                                              
The DATA/MAG/PCENTRIC directory contains the Magnetometer (MAG) data          
expressed in Planetocentric coordinates.  The file naming conventions         
for files in the DATA/MAG/PCENTRIC directory is as follows:                   
                                                                              
98102.STS is interpreted as                                                   
                                                                              
98 = year 1998                                                                
102= day of year '102'                                                        
STS= 'standard time series' format                                            
                                                                              
98102.LBL is the PDS detached label file which describes the data             
file 98102.STS.                                                               
                                                                              
Please note that the spacecraft position is referenced to the center          
of Phobos (not Mars) in the MAG PCENTRIC data files on the following          
CD volumes:  MGSM_1011, MGSM_1012, MGSM_1013, and MGSM_1014.