{HEAD ~ data detection means}, synchronized with {TAIL ~ the generic chip code signal}, for detecting message data in the despread signal; and 
{ HEAD ~ data detection means } , synchronized with { TAIL ~ the generic chip code signal } , for detecting message data in the despread signal ; and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH