lementation.

      %
      %  Load a set of kernels: an SPK file, a PCK
      %  file and a leapseconds file. Use a meta
      %  kernel for convenience.
      %
      <a href="cspice_furnsh.html">cspice_furnsh</a>( '<a href= "standard.html">standard.tm</a>' )

      %
      %  Define parameters for a position lookup:
      %
      %  Return the position vector of Mars (499) as seen from
      %  Earth (399) in the J2000 frame
      %  using aberration correction LT+S (light time plus
      %  stellar aber