MESSENGER EPPS EPS Raw Bundle Readme                                        
                                                                            
========================================================================    
Introduction                                                                
========================================================================    
                                                                            
This is a PDS4 archive of the dataset MESS-E/V/H/SW-EPPS-2-EPS-RAWDATA-V2.0 
that was originally archived under PDS3 in the MESSEPPSDATA_1001 bundle.    
                                                                            
Under PDS4 this bundle is organized into several collections, including     
Data-long_status, Data-status, Data-hi_spectra, Data-hires_spectra,         
Data-housekeeping, Data-lores_spectra, Data-med_spectra, Data-pha,          
Data-scan_rates, Data-summary_spectra, Calibration and Document.            
PDS4 documentation is all XML. There is  an  XML  label for  every          
product in the archive.                                                     
                                                                            
Under the PDS3 standard all archives were self contained and could in       
principal be stored in a single file system (disk, CD-ROM, etc.). PDS4 takes
advantage of the modern network capabilities that allow archives to be      
distributed.  As a result, some of the documents and meta data previously   
stored in the PDS3 catalog files are no longer maintained locally, but are  
maintained in a central repository. Those files are referenced by PDS unique
identifiers.                                                                
                                                                            
This document contains information pertaining to the MESSENGER EPPS EPS     
Raw Bundle, which includes                                                  
                                                                            
                                                                            
                                                                            
The EPPS is made up of two instrument subsystems, the Fast Imaging Plasma   
Spectrometer (FIPS), and the Energetic Particle Spectrometer (EPS). Thus two
data sets were delivered within the original data bundle, the FIPS and the  
EPS. This bundle contains only the uncalibrated Energetic Particle          
Spectrometer (EPS) data. In some cases one file will be relevant            
to both data sets, in which case the data set id for both are included      
in the one label.                                                           
                                                                            
This bundle is intended for the use of scientists and students in the       
study of the of the planet Mercury. The data may be used for research       
and publication.                                                            
                                                                            
The PDS and the Planetary Plasma Interactions (PPI) Node in particular,     
assume no legal liability for errors on this bundle. All users are          
encouraged to verify the 'correctness' of the data prior to submitting      
any publications or other work based on these data. Errors on this bundle   
should be reported back to the PPI Node of the PDS.                         
                                                                            
                                                                            
                                                                            
========================================================================    
Contacts                                                                    
========================================================================    
                                                                            
For questions concerning these data products and documentation, contact:    
   
          WWW Site:  http://pds-ppi.igpp.ucla.edu                           
          Email:     pds_operator@igpp.ucla.edu                             
                                                                            
                                                                            
For questions regarding PDS Standards or other archive Bundles available    
from the PDS, please contact PDS Operator at the PDS Central Node (at       
JPL):                                                                       
                                                                            
                                                                            
    Email               pds_operator@jpl.nasa.gov                           
    Telephone           (818) 354-4321