It is based on studies made over the years eight hours a day, seven days a week using computers and radar.

"Using radar in this day and age- it was an inspired idea, to say the least."

Archaeologists are using radar to survey a city's historical past.

We used radar to track them from the ship, and that was neat also.

"Some of them home on the heat from the target aircraft's engine, while others use radar."

I told him to be prepared to use radar.

Detect the speed of an object - This is the reason why police use radar.

"Why don't you use radar to select a satellite and track on that?"

We practically had to use radar to find you behind the herbage.

I'm tired of having them use radar to direct their fighters against my aircraft.