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There are fifteen Nike sites in Illinois that are part of the Chicago-Gary Defense Area. Several have some buildings and launch areas. C-84 in Palatine, Illinois, was the last substantial site to be redeveloped. [2] Five of the bases in the Chicago ring were in Indiana. C-47 is the only site to retain all three functions.
Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.
Chicago–Gary Defense Area (C): Site (C-98) Fort Sheridan hosted the headquarters of the Fifth Army Air Defense Command. Other regional command facilities were located at the Museum of Science and Industry, site (C-51) Orland Park, and site (C-80) Arlington Heights. Nike Hercules bases remained in operation at C49/50, C-72, and C-93 as well as ...
AN/TPS-43 Mobile Tactical 3D Radar; AN/TPS-43E Mobile Tactical 3D Radar; AN/TPS-58 Ground Surveillance Radar; AN/TPS-59 transportable air search radar; AN/TPS-63 mobile tactical 2D radar; AN/TPS-72; AN/TPS-75 transportable 3-dimensional air search radar; AN/TPS-77 transportable version of the AN/FPS-117 solid state phased array radar
ARSR-3 and 3D search radar were used by the FAA in the Joint Surveillance System (JSS). The radar operated in the L-band at 1250 to 1350 MHz and detected targets at distances beyond 210 nautical miles; 390 kilometres (240 mi). The D model had height-finder capability. Westinghouse also built ARSR-4 3-D air surveillance radar in the 1990s for ...
In addition to range, the more common two-dimensional radar provides only azimuth for direction, whereas the 3D radar also provides elevation. Applications include weather monitoring, air defense, and surveillance. The information provided by 3D radar has long been required, particularly for air defence and interception. Interceptors must be ...
We love a good restaurant hot list, but many of Chicago’s true culinary gems—slinging tasty, soulful eats without the hype—are hiding in plain sight. From intriguing newcomers that have yet ...
AN/SPS-39 is a three-dimensional radar was manufactured by Hughes Aircraft Company. It was used by the US Navy as a parabolic-cylinder reflector antenna after World War II, and was equipped aboard naval ships during the Cold War. It was mass-produced based on AN/SPS-26, and was also the