This directory contains one zipped file: 
  SEDR2ASC -
    The sedr2asc program is used to extract data from the PDS Archive CD-ROM's
    containing the Pioneer Venus Orbiter (PVO) Supplemental Experimenter Data
    Record (SEDR) dataset.

       ***** INSTALLATION procedures: ******

To retrieve the files:
  First change directory to where you want the program directory located.
  Then issue the unzip command corresponding to your software.
  (There are various zip/unzip software programs available. Please refer
  to the software documentation associated with your particular software).
  If you do not have an unzip utility or the one you have does not work
  properly, InfoZip's Unzip utility can be found in the 
  SOFTWARE/SOURCE/ZIP_WARE directory with information on how to use it.

  Also, all software (compressed and uncompressed) can be retrieved from
  the PPI node at http://www.igpp.ucla.edu.

A directory called SEDR2ASC will be created with all the needed
source code and libraries. A file in the directory called INSTALL.TXT will
explain install/compile procedures. A file called SEDR2ASC.TXT
will explain how to use the software.