By using this information, it is possible to determine {HEAD ~ the impedance profile} along the length of the power line and {TAIL ~ changes} in impedance may be quickly identified 
By using this information , it is possible to determine { HEAD ~ the impedance profile } along the length of the power line and { TAIL ~ changes } in impedance may be quickly identified
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH