The airplane can be covered in materials that absorb radar signals.

Want me to take us alongside, so we can use a radar signal?

The radar signal would zip in one end and out the other.

But the officials said they could not definitively evaluate what caused the radar signal.

For the first time, a radar signal was sent and the echo received from the planet Venus.

"Any chance we can lock a missile onto the radar signal, and fire them at the thing?"

All he had were computer-generated course tracks based on radar signals.

For the first time, a radar signal was sent between the Earth and the Sun.

The system works by transmitting a radar signal towards the ground area in front of the aircraft.

We have been picking up radar signals from the east.