The first wireless device then transmits the current position data and at least one of {HEAD ~ the speed data}, time data and path data to the second wireless communications device or {TAIL ~ other computing device} 
The first wireless device then transmits the current position data and at least one of { HEAD ~ the speed data } , time data and path data to the second wireless communications device or { TAIL ~ other computing device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL