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  2. North Warning System - Wikipedia

    en.wikipedia.org/wiki/North_Warning_System

    The North Warning System as part of NORAD radar array as envisioned by Canada and the US in 1987. The NWS consists of both long range AN/FPS-117 and short range AN/FPS-124 surveillance radars, operated and maintained by North American Aerospace Defense Command (NORAD). [1]: 16 There are 13 long range sites and 36 short range sites.

  3. NORAD - Wikipedia

    en.wikipedia.org/wiki/NORAD

    A map of NORAD regions and sectors. North American Aerospace Defense Command (NORAD / ˈ n ɔːr æ d /), known until March 1981 as the North American Air Defense Command, is a combined organization of the United States and Canada that provides aerospace warning, air sovereignty, and protection for Canada and the continental United States.

  4. Weather radar - Wikipedia

    en.wikipedia.org/wiki/Weather_radar

    Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).

  5. Powerful radars, limited scope: How no one spotted a ... - AOL

    www.aol.com/news/powerful-radars-limited-scope...

    Since 9/11, the FAA and NORAD have shared radar data and members of both organizations regularly embed with each other, according to retired Maj. Gen. Scott Clancy, a Canadian who served as NORAD ...

  6. Over-the-horizon radar - Wikipedia

    en.wikipedia.org/wiki/Over-the-horizon_radar

    The frequency of radio waves used by most radars, in the form of microwaves, travel in straight lines.This generally limits the detection range of radar systems to objects on their horizon (generally referred to as "line of sight" since the aircraft must be at least theoretically visible to a person at the location and elevation of the radar transmitter) due to the curvature of the Earth.

  7. Sea-based X-band Radar - Wikipedia

    en.wikipedia.org/wiki/Sea-based_X-band_Radar

    The Sea-Based X-Band Radar (SBX-1) is a floating, self-propelled, mobile active electronically scanned array early-warning radar station designed to operate in high winds and heavy seas. It was developed as part of the United States Department of Defense Missile Defense Agency's (MDA) Ballistic Missile Defense System.

  8. Tethered Aerostat Radar System - Wikipedia

    en.wikipedia.org/wiki/Tethered_Aerostat_Radar_System

    The aerostat radar data is available to NORAD and U.S. Customs and Border Protection. Starting October 2017, the aerostat will be fully operationalized by Philippine Navy operators to monitor People's Liberation Army Navy and China Coast Guard movements. in the South China Sea and Benham Rise. Daily operations of the aerostat would augment ...

  9. PAVE PAWS - Wikipedia

    en.wikipedia.org/wiki/PAVE_PAWS

    PAVE PAWS (PAVE Phased Array Warning System) is a complex Cold War early warning radar and computer system developed in 1980 to "detect and characterize a sea-launched ballistic missile attack against the United States". [1] The first solid-state phased array deployed [2] used a pair of Raytheon AN/FPS-115 phased array radar sets at each site ...

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