{TAIL ~ The number} of {HEAD ~ non coherent passes} defines the number of times the search engine steps through the PN offsets designated by the search window 
{ TAIL ~ The number } of { HEAD ~ non coherent passes } defines the number of times the search engine steps through the PN offsets designated by the search window
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH