How many major groups does the AN/GPN-27 radar include?

The AN/GPN-27 radar system consists of three major groups that facilitate its operation and functionality. These groups typically include the antenna group, the transmitter group, and the receiver group. Each of these groups performs essential roles: the antenna group is responsible for sending and receiving radar signals, the transmitter group generates the radar signals, and the receiver group processes the received signals to produce the desired output, such as target tracking and identification. Understanding the structure of this radar system is crucial for technicians, as it allows them to effectively troubleshoot, maintain, and operate the equipment.