The first synthesizer generates {TAIL ~ an output signal} having pilot tones based on the path turning {HEAD ~ signal} and the intermodulation compensation signal 
The first synthesizer generates { TAIL ~ an output signal } having pilot tones based on the path turning { HEAD ~ signal } and the intermodulation compensation signal
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH