Search radars scan a wide area with pulses of short radio waves.

Navigational radars scan a wide area two to four times per minute.

The radar scans a 90-degree sector for incoming rocket, artillery and mortar fire.

The radar scans the atmosphere within a radius of 500 km.

Last time we did a radar scan there were about thirty ships in the area.

Eight radars scanned all space through a global 360 .

The radar correlator system was activated and the radar scanned the target area.

The radar on the barge scanned the skies for aircraft but found nothing within a radius of 100 miles.

The radar can electronically scan a +/-45 range of azimuths for incoming rocket, artillery and mortar fire.

At a given position, the radar can scan for targets in one quadrant, encompassing a 90 sector.