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