In {HEAD ~ addition} to current position data, {TAIL ~ the speed}, path and time data facilitate tracking of the first wireless communications device 
In { HEAD ~ addition } to current position data , { TAIL ~ the speed } , path and time data facilitate tracking of the first wireless communications device
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH