ecraft clock string.
   For example, for Voyager 2, the most significant field of a formatted
   SCLK string is the ``mod 16'' field. For Galileo, the most significant
   field is the ``RIM count.'' For Mars Global Surveyor, the most
   significant field is the ``sclk_secs count.''
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<A NAME="Partition boundaries0"></A>
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<H3> Partition boundaries
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   In order to convert between SCLK strings and their encoded form of ticks