selecting, in response to said initialization data, said predetermined parameters for {HEAD ~ each said plurality} of {TAIL ~ data collection units} 
of
selecting , in response to said initialization data , said predetermined parameters for { HEAD ~ each said plurality } of { TAIL ~ data collection units }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL