The diagnostic system makes use of a knowledge based controller and {HEAD ~ a plurality} of {TAIL ~ data logger units}, at least one of which is a wireless unit, to collect temporally coordinated data indicative of the real time operation of a system under test that comprises a plurality of spatially disjunct but operationally interdependent components 
The diagnostic system makes use of a knowledge based controller and { HEAD ~ a plurality } of { TAIL ~ data logger units } , at least one of which is a wireless unit , to collect temporally coordinated data indicative of the real time operation of a system under test that comprises a plurality of spatially disjunct but operationally interdependent components
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH