Simon altered the calibration of the main radar and refocused the telescope.

With long range detection range, high reliability and easy maintenance, YLC-4 radar is a main radar in air defense network.

We're relying on using the main radar to guide the Scorpions.

"The main radar alarm!"

His main air-search radar, they said, would be working in four hours.

In the modernization, about 60 percent of the plane's electronics are replaced, including its main radars, jammers, navigation equipment and firing controls.

The bearing derived from the main primary radar would enable a reading of the height to be sent back to the operator.

Half her main radar, both secondary fire control arrays, and two-thirds of her passive sensors were gone.

The main radar would be used solely for surveillance, target illumination being left to existing radar systems used with earlier missiles like the Talos or Tartar.

Their main radar in Batavia is one of the fastest radars in the nation, with an update usually every ten seconds.