The Data:
time         servo frequency

 45128.7                                   172.414 
 45129.09                                  294.118 
 45129.47                                  384.615 
 45129.86                                  434.783 
 45130.24                                  487.805 
 45130.63                                  487.805 
 0                                         0 
 0                                         0 
 0                                         0 
 0                                         0