/a></h4><pre>

   A sister version of this routine exists named <a href="mice_spkpos.html">mice_spkpos</a> that returns
   the output arguments as fields in a single structure.

   Aberration corrections
   ======================

   In space science or engineering applications one frequently
   wishes to know where to point a remote sensing instrument, such
   as an optical camera or radio antenna, in order to observe or
   otherwise receive radiation from a target. This pointing problem
   is complicated 