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