v>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">//      Owing to the meager frequency step in millihertz range, we obtain</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">//  a quasi-analog precision frequency source (if the GPS navigation works OK).</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">//      Thi