aareame_v1.txt file at 
ftp/spacecraft_data/explorer/explorer35/plasma_probe/3-min_interplanetary_plasma_param/old/aareame_v1.txt
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This directory provides access to 1967 and 1968 files of
3-min plasma parameter data in ASCII format, from the MIT
Faraday Cup flown on Explorer 35.  This ASCII data set was 
created by GSFC's Space Physics Data Facility in 2010 from
an EBCDIC-formatted version.  Thie data set is referred to 
as Version 1 in companion readme files. 



The format of the ASCII data set is:

Word number        Format      Description

 1          I2        Year (67,68)
 2          F9.5     Decimal day of year (Jan. 1 at 12UT is 0.5)
 3          A3        Month (JAN . DEC)
 4          I3        Day of month (1 . 31)
 5          I2        Hour of day (0 . 23)
 6          I2        Minute of hour (0 . 59)
 7          I6        Spacecraft counter value
 8          F5.1      Ion density (number/cc)
 9          I3        Aberrated flow speed (km/s)
10          F6.1      Aberrated flow longitude (deg) (see note)
11          F6.1      Aberrated flow latitude (deg) (see note)
12          I3        Thermal speed (km/s)
13-14       2F6.1     Flow angles, spacecraft
                         coords, not normally used
15          F6.1      True longitude of flow (see note)
16          F6.1      True latitude of flow (see note)
17          I6        True flow speed
18          F6.1      Solar ecliptic longitude of s/c spin axis
19          F6.1      Solar ecliptic latitude of s/c spin axis

Note:  Flow angles give the GSE directions from which the
flow comes.  "Aberrated" directions are as observed.  "True"
directions are with the 30 km/s motion of the Earth (and its
orbiting spacecraft) about the sun removed.

Note:  As of this writing (March, 2010), Explorer 35
ephemeris data are neither contained in this plasma data set
nor are they otherwise online at NSSDC or, to our knowledge,
elsewhere.  However NSSDC has such data still offline; they
will be made network-accessible in due course.

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