{HEAD ~ The device} 1, wherein a transmission time and transmission location of the navigation signals are determined using {TAIL ~ the models} 
{ HEAD ~ The device } 1 , wherein a transmission time and transmission location of the navigation signals are determined using { TAIL ~ the models }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL