   
0065     <span class="comment">% Check for GPS fly-aways</span>
0066     <span class="comment">% Delta time</span>
0067     delta_time_elapsed = [0; diff(A(zi).Sup.timeElapsed_sec)];
0068     
0069     <span class="comment">% The fly away filter will only consider &quot;valid&quot; numbers in the GPS</span>
0070     <span class="comment">% data. First, screen out any NaNs and replace with 0.</span>
0071     x = A(zi).Comp.xUTMraw; <span class="comment">%x(dropped_ensembles) = 0;</span>
0072     y = A(zi