Accordingly, the threshold voltage values are preferably determined using an experimental process based, at least in part, on the type of transmitting and receiving equipment to be used, the surrounding environmental conditions, and {HEAD ~ the intended use} of {TAIL ~ the equipment} 
of
Accordingly , the threshold voltage values are preferably determined using an experimental process based , at least in part , on the type of transmitting and receiving equipment to be used , the surrounding environmental conditions , and { HEAD ~ the intended use } of { TAIL ~ the equipment }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL