About STEREO ASCII merged data 

STEREO-A and -B data are from the magnetometer of the IMPACT package
and from the PLASTIC plasma detector.  Principal Investigators for these
packages are Janet Luhmann (UCB) and Antoinette Galvin (UNH), 
respectively.  Magnetic field  data were obtained as 10-min averages 
from the UCLA web site at
http://aten.igpp.ucla.edu/forms/stereo/level2_plasma_and_magnetic_field.html
courtesy of C.T. Russell.  COHOWeb's magnetic field hourly averages 
were created at GSFC/SPDF by averaging over the six 10-min averages
falling within each hour.  
Hourly plasma parameter data,
were obtained from UNH via http://fiji.sr.unh.edu/1dmax_ascii/.  
Hourly fluxes data were obtained from Caltech via
 http://www.srl.caltech.edu/STEREO/DATA/

Name of parameters in each of ASCII records ( 37 words):
Year
DOY
Hour
Radial Distance, AU  
HGI Lat. of the S/C
HGI Long. of the S/C
IMF BR, nT (RTN)
IMF BT, nT (RTN)
IMF BN, nT (RTN)
IMF B Scalar, nT
SW Plasma Speed, km/s
SW Lat. Angle RTN, deg.
SW Long. Angle RTN, deg.
SW Plasma Density, N/cm^3
SW Plasma Temperature, K
1.8-3.6 MeV H flux,LET
4.0-6.0 MeV H flux,LET
6.0-10.0 MeV H flux, LET
10.0-12.0 MeV H flux,LET
13.6-15.1 MeV H flux, HET
14.9-17.1 MeV H flux, HET
17.0-19.3 MeV H flux, HET
20.8-23.8 MeV H flux, HET
23.8-26.4 MeV H flux, HET
26.3-29.7 MeV H flux, HET
29.5-33.4 MeV H flux, HET
33.4-35.8 MeV H flux, HET
35.5-40.5 MeV H flux, HET
40.0-60.0 MeV H flux, HET
60.0-100.0 MeV H flux, HET
0.320-0.452 MeV H flux, SIT
0.452-0.64 MeV H flux, SIT
0.640-0.905 MeV H flux, SIT
0.905-1.28 MeV H flux, SIT
1.280-1.81 MeV H flux, SIT
1.810-2.56 MeV H flux, SIT
2.560-3.62 MeV H flux, SIT

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Note that for missing data, fill values consisting of a blank followed 
by 9's which together constitute the format are used
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For browse and retrieval that data with different kind of functionalities: 
 see http://omniweb.gsfc.nasa.gov/coho/
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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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