
One from the summer. Air traffic control radar found in the Bighorn Mountains of Wyoming.
Source: http://tau0.wordpress.com/tag/radar/. (Posted by Mike on December 28, 2011)

source: http://www.summitpost.org/mountain/rock/451567/Medicine-Mountain.html

Source: http://outdoors.webshots.com/photo/1090216242043927607cDTMZw

Photo source: http://picasaweb.google.com/reidb678/GreybullWY/photo#5092074197492216994

Photo Source: http://www.dfred.net/~mcnally/I90/medicine_mt_observatory.html

Photo source: http://www.istockphoto.com/file_closeup/business/business_concepts/industrial/949569_radar_facility.php?id=949569.
Radar facility of the Federal Aviation Administration, perched atop the Bighorn Mountains, northern Wyoming.

Photo source: http://www.blabberon.com/summer_break_pt3_2004.html