Dataset Overview
      ================
 
      This dataset contains data acquired by the Galileo Magnetometer
      during the Ida flyby on Aug 28, 1993. It includes browse data,
      high-resolution data in both spacecraft and Ida-centric
      coordinates and trajectory data.  A sample of cruise phase data
      around the time of encounter has also been included to provide
      a context for the encounter data.
 
      Note that the START_TIME and STOP_TIME above refer to the encounter
      period. The ancillary cruise data cover an additional several weeks
      before and after the encounter period.
 
      Primary Dataset Reference:
 
        Kivelson, M.G., Z. Wang, S. Joy, K.K. Khurana, C. Polanskey, D.J.
        Southwood, and R.J. Walker, 'Solar Wind Interactions with Small
        Bodies: 2. What Can Galileo's Detection of Magnetic Rotations Tell
        Us About GASPRA and IDA', Advances in Space Research, 1994
 
      Primary Instrument Reference:
 
        Kivelson, M. G., K. K. Khurana, J. D. Means, C. T. Russell, and
        R. C. Snare, 'The Galileo magnetic field investigation', Space
        Science Reviews, 60, 1-4, 357, 1992.
 
 
      Parameters
      ==========
 
      The primary parameters provided in each data file are:
 
        browse     Time, magnetic field components
        cruise     Time, magnetic field components in RTN coordinates,
                     spacecraft position and trajectory parameters
        hrsc       Time, rotor parameters, magnetic field component in
                     spacecraft coordinates
        hrgeoph    Time, magnetic field components in Gaspra-SE, EME-50
                     and RTN coordinates
        traject    Time, trajectory components in GASE coordinates, range
                     and solar latitude and longitude
 
      Processing
      ==========
 
      These data were provided by the Galileo project to support the
      Ida/Gaspra observations. They have not been changed by SBN
      personnel, but neither have they been updated for any possible
      improvements in the mission data production pipeline. For the
      most recent version, please contact the Galileo Project.
 
 
      Data
      ====
 
      For a detailed description of the data in each file, including
      acquisition, sampling and coordinate system notes, see the
      accompanying documentation files.
 
 
      Coordinate System
      =================
 
      The data are provided relative to several different coordinate
      systems. See the accompanying documentation files for details.
 
 
      Media/Format
      ============
 
      The data are being delivered on CDROM to the PDS archive and
      the National Space Science Data Center. Copies of all or part of
      this collection may also be available for downloading directly
      from the on-line archives of the Small Bodies Node.

Confidence Level Overview
      =========================
 
      These data were provided by the Galileo project. They were
      extracted from the full archive as it was being prepared for
      delivery to the Planetary Data System.  Subsequent changes
      to the full archive have not been propagated to these files.
 
      Note in particular that the cruise data has been repeatedly
      revised and upgraded since the present file was extracted
      for inclusion here. These cruise data are included merely to
      provide some context for the encounter data. Users are advised
      to contact the Galileo Project directly if their application
      depends critically on cruise data.
 
      Please see the accompanying documentation for caveats and
      comments relevant to each file.