a processor operatively connected a memory, the processor being configured to establish a wireless connection between the first and second wireless communications devices and to cause {HEAD ~ a radiofrequency transmitter} to transmit {TAIL ~ the current position data} of the first wireless communications device to the second wireless communications device, 
a processor operatively connected a memory , the processor being configured to establish a wireless connection between the first and second wireless communications devices and to cause { HEAD ~ a radiofrequency transmitter } to transmit { TAIL ~ the current position data } of the first wireless communications device to the second wireless communications device ,
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH