 <a href="../req/kernel.html">kernel.req</a>.
<P>
 
   To use any of the SCLK conversion functions, your program must first
   load a SCLK kernel file. The code fragment
<P>
 
<PRE>
   <a href="../cspice/furnsh_c.html">furnsh_c</a> ( &lt;name of the SCLK kernel file goes here&gt; );
</PRE>
   accomplishes this. You must supply the actual name of the kernel file
   you want to load.
<P>
 
   In addition, you will usually need to load a leapseconds kernel. For
   some missions, conversions between SCLK and ET