PPI Display of Rain Clutter as seen by Airport SurveillanceRadar, Courtesy of FAA

ASR-7 - Airport Surveillance Radar, Courtesy of MIT Lincoln Laboratory, Used with Permission

 

TPS-43E, Air Surveillance Radar, Courtesy of Northrop Grumman, Used with Permission

TPS-77 Air Surveillance Radar and Tracking Radar, Courtesy of Lockheed Martin, Used with Permission