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  2. Canadian weather radar network - Wikipedia

    en.wikipedia.org/wiki/Canadian_weather_radar_network

    The Canadian weather radar network consists of 33 weather radars spanning Canada's most populated regions. Their primary purpose is the early detection of precipitation , its motion and the threat it poses to life and property.

  3. J. S. Marshall Radar Observatory - Wikipedia

    en.wikipedia.org/wiki/J._S._Marshall_Radar...

    The McGill radar was the second to be replaced, with construction of the new Blainville radar extending from spring to summer 2018. [3] The WMN radar completed 50 years of daily service to Canadians on September 30, 2018, but the Observatory will continue research at the same site with a range of instruments. [4]

  4. King City weather radar station - Wikipedia

    en.wikipedia.org/wiki/King_City_weather_radar...

    The King City weather radar station (ICAO site identifier CASKR (CWKR prior to 2021)) is a weather radar located in King City, Ontario, Canada.It is operated by Environment Canada and is part of the Canadian weather radar network, for which it is the primary research station.

  5. 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).

  6. Plan position indicator - Wikipedia

    en.wikipedia.org/wiki/Plan_position_indicator

    A plan position indicator (PPI) is a type of radar display that represents the radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As the radar antenna rotates, a radial trace on the PPI sweeps in unison with it about the center point. It is the most common type of radar ...

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  8. 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.

  9. 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.).