File: AAREADME.TXT                          Version: NSSDC 11/15/2001 JFC
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This directory includes hourly heliocentric coordinate data in the HOUR
subdirectory for the Helios 1 spacecraft as extracted from the merged 
solar wind magnetic and plasma data set described in the HE1TRJHR_NMC 
file information from the NSSDC Master Catalog. 

Further details on the spacecraft, experiments, data sets at NSSDC, and 
related WWW sites can be found on the Helios flight project page under 
the URL http://nssdc.gsfc.nasa.gov/space/ . 
Hour averages of the Helios magnetic field, plasma, and coordinate data 
may be also be accessed and plotted on-line through the COHOWeb service 
based at the same WWW site as above. 

Use of these data in publications should be accompanied at minimum by
acknowledgements of the National Space Science Data Center and the 
responsible Principal Investigator defined in the experiment 
documentation provided here.