From Echodyne Targets Drones, Self-Driving Cars with Metamaterials Radar:

Radar display
Radar display

“Cobra Dane Radar Display” by Service Depicted: Air Force Camera Operator: SGT ROBERT S. THOMPSON – ID:DFST8404793. Licensed under Public Domain via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Cobra_Dane_Radar_Display.jpg#/media/File:Cobra_Dane_Radar_Display.jpg