The Data:
time         servo frequency

 44456.96                                  44.843 
 44457.35                                  62.112 
 44457.73                                  68.027 
 44458.17                                  81.633 
 44458.56                                  77.821 
 44458.94                                  75.188 
 44459.33                                  73.26 
 44459.71                                  69.444 
 44460.09                                  74.906 
 44460.53                                  68.493