The AN/APG-77v1 is the AESA radar monted on the F-22 Raptor it has about 2300 transmit/receive moduls and it´s


able to track a 1 square meter target at 350-400 km a 1 m² target. The AN/APG-77 AESA radar, designed for air-superiority and strike operations, features also a low-observable, active-aperture, electronically-scanned array that can track multiple targets under all weather conditions. The AN/APG-77 changes frequencies more than 1,000 times per second to reduce the chance of being intercepted, the APG-77 is one of the key features to the F-22 Raptor's so-called "first look, first shot" capability.

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