         disp( txt )

         txt = sprintf( ['R (kilometers)     : ' ...
                         '%12.4f %12.4f %12.4f'], pos(i) );
         disp( txt )

         txt = sprintf( ['Light time (secs)  : ' ...
                        '%12.7f'], ltime(i) );
         disp( txt )

         disp(' between observer' )
         disp(' and target' )
         disp( ' ' )

      end

      %
      %  It's always good form to unload kernels after use,
      %  particularly in MATLAB due to data persistence.
      %
 