wherein the processor causes {HEAD ~ the transmitter} to transmit {TAIL ~ the current position data} by: 
to transmit
wherein the processor causes { HEAD ~ the transmitter } to transmit { TAIL ~ the current position data } by :
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH