The Data:
time         servo frequency

 45442.55                                  92.593 
 45442.93                                  196.078 
 45443.32                                  294.118 
 45443.7                                   425.532 
 45444.08                                  512.821 
 45444.47                                  625 
 0                                         0 
 0                                         0 
 0                                         0 
 0                                         0