receiving an indication from the second wireless communications device that the second wireless communications device has reached a waypoint and sending {HEAD ~ the path data} for {TAIL ~ a successive segment} to the second wireless communications device in response to receiving the indication 
for
receiving an indication from the second wireless communications device that the second wireless communications device has reached a waypoint and sending { HEAD ~ the path data } for { TAIL ~ a successive segment } to the second wireless communications device in response to receiving the indication
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 TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH