
<https://spdf.gsfc.nasa.gov/pub/data/genesis/gim/ascii/00readme.txt>

This data set was created at NSSDC/SPDF as a subset of original data available 
at the LANL site: ftp://nis-ftp.lanl.gov/pub/projects/genesis/3dmom/
The data are from the Genesis Ion Monitor Experiment, whose PI is Roger C. 
Wiens of LANL.  John Steinberg, LANL, has also been a key person preparing
the original data.  The data accessible herein were subsequently time shifted 
and used for making hourly averages "at Earth time."  These averages were
compared with hourly plasma data from other spacecraft 
(see https://omniweb.gsfc.nasa.gov/ftpbrowser/merged.html) while creating the OMNI 2 data set.

The contents of each of records -

    WORD  FORMAT    MEANING                              UNITS/COMMENTS
                 
     1     I4       Year                                2001, 2002, etc. 
     2     I4       Decimal Day                         January 1 = Day 1 
     3     I3       Hour                                0,1,...,23
     4     I3       Minute                              0,1,...,59
     5     I3       Second                              0,1,...,59
     6    F7.2      SW Proton density                   [n/cc]
     7    F9.0      SW Proton Temperature               degrees, K   
     8    F7.1      Plasma flow speed                   km/s
     9    F7.4      He/H ratio
    10    F7.1      Vx Velocity, GSE                    km/s
    11    F7.1      Vy Velocity, GSE                    km/s
    12    F7.1      Vz Velocity, GSE                    km/s
    13     I9       X GSE (Genesis position)            km                        
    14     I9       Y GSE (Genesis position)            km                        
    15     I9       Z GSE (Genesis position)            km                        


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This 2.5-min GIM data set is also available from CDAWeb
(http://cdaweb.gsfc.nasa.gov), and there it has an additional flag
indicating the presence or absence of bidirectional electron flow,
RTN velocity components, and heliographic latitude and longitude
of the spacecraft position vector.


Related data and directories:

SPDF Data and Orbits Services <http://spdf.gsfc.nasa.gov/>
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SPDF Contact: 
Natalia Papitashvili <Natalia.E.Papitashvili@nasa.gov>
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Please acknowledge NASA's Space Physics Data Facility and 
and relevant scientists identified above for data usage. 
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Authorizing NASA Official: Dr. R.E. McGuire, Head, SPDF, NASA Goddard Space Flight Center
                        301-286-7794, e-mail:  Robert.E.McGuire@nasa.gov
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