A GPS antenna is disposed coaxially of {HEAD ~ the vertical axis} and above {TAIL ~ the IFF antenna} 
A GPS antenna is disposed coaxially of { HEAD ~ the vertical axis } and above { TAIL ~ the IFF antenna }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL