The Data:
time         servo frequency

 45347.86                                  170.94 
 45348.24                                  317.46 
 45348.62                                  487.805 
 45349.01                                  43.197 
 45349.39                                  206.186 
 45349.78                                  9.9E+37 
 0                                         0 
 0                                         0 
 0                                         0 
 0                                         0