PDS_VERSION_ID       = PDS3                                                   
RECORD_TYPE          = STREAM                                                 
OBJECT               = TEXT                                                   
  PUBLICATION_DATE   = 2003-04-04                                             
  NOTE               = "This file describes the Vector Helium                 
                        Magnetometer data available in this directory."       
END_OBJECT           = TEXT                                                   
END                                                                           
                                                                              
This directory contains the Pioneer 11 Vector Helium Magnetometer data        
from the Saturn encounter period between 1979-08-30 00:00:00 and              
1979-09-08 23:59:00. The data set provides 1.0 minute averages of             
3 magnetic field components, 6 field covariances, 3 directional               
cosines, field magnitude and the field magnitude square, in PE                
coordinates.                                                                  
                                                                              
The data are stored as one ASCII table files (.TAB), accompanied by           
a PDS label file (.LBL) which describes the properties of the data            
file.                                                                         
                                                                              
Additional information associated with this data set is available             
in the following files:                                                       
                                                                              
file                                 contents                                 
                                                                              
/CATALOG/PIONEER/P11_HVM_SAT_ENC_1MIN_DS.CAT                                  
                                     data set description for this data       
/CATALOG/PIONEER/REF.CAT             key reference description                
                                                                              
                                                                              
                   /-----------------------------\                            
                   |      ENCOUNTER HVM DATA     |                            
                   \-----------------------------/                            
                                                                              
      --------------------------------------------------------------------    
      Column  Column   Column                                                 
      Name    Format   Description                                            
      --------------------------------------------------------------------    
      TIME     A24     Time in yyyy-mm-ddThh:mm:ss.sssZ                       
      DELTA_T  I7      Length of data averaging window in millisecond         
      <BX>     E14.6   Average of the X component of the magnetic field       
                          in PE coordinates                                   
      <BY>     E14.6   Average of the Y component of the magnetic field       
                          in PE coordinates                                   
      <BZ>     E14.6   Average of the Z component of the magnetic field       
                          in PE coordinates                                   
      <BX^2>   E14.6   Average of the square of the X component of the        
                          magnetic field in PE coordinates                    
      <BXBY>   E14.6   Average of the cross product of BX and BY              
                          in PE coordinates                                   
      <BXBZ>   E14.6   Average of the cross product of BX and BZ              
                          in PE coordinates                                   
      <BY^2>   E14.6   Average of the square of the Y component of the        
                          magnetic field in PE coordinates                    
      <BYBZ>   E14.6   Average of the cross product of BY and BZ              
                          in PE coordinates                                   
      <BZ^2>   E14.6   Average of the square of the Z component of the        
                          magnetic field in PE coordinates                    
      <BX/|B|> E14.6   Magnetic field vector directional cosine in X          
      <BY/|B|> E14.6   Magnetic field vector directional cosine in Y          
      <BZ/|B|> E14.6   Magnetic field vector directional cosine in Z          
      <|B|>    E14.6   Average of the total magnetic field, evaluated as      
                          < SQRT(BX^2 + BY^2 + BZ^2) >                        
      <B^2|>   E14.6   Average of the square of the total field magnitude,    
                          evaluated as < BX^2 + BY^2 + BZ^2 >                 
      --------------------------------------------------------------------