Preferably, the method uses an adaptive filter to determine {HEAD ~ the location} of {TAIL ~ the fault} 
Preferably , the method uses an adaptive filter to determine { HEAD ~ the location } of { TAIL ~ the fault }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL