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  2. NEXRAD - Wikipedia

    en.wikipedia.org/wiki/NEXRAD

    NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...

  3. Galax, Virginia - Wikipedia

    en.wikipedia.org/wiki/Galax,_Virginia

    Historical marker at Galax. The area that later became Galax was part of an 800-acre (320 ha) land grant given to James Buchanan in 1756 by the British Crown. The first plat map for Galax is dated December 1903; [5] The town founders selected the site for the city on a wide expanse of meadowland bisected by Chestnut Creek and sitting at an altitude of 2,500 feet (760 m) on a plateau. [6]

  4. United States general surveillance radar stations - Wikipedia

    en.wikipedia.org/wiki/United_States_general...

    Lashup Radar Network radar stations, the radar stations deployed 1950-2 when the "Radar Fence" Plan was not approved; Temporary radar net, the "five-station radar net" established in 1948; Army Radar Stations, World War II installations of the Aircraft Warning Service with radars (cf. filter centers, Ground Observer Corps stations, etc.) By usage:

  5. Over-the-horizon radar - Wikipedia

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

    MADRE over-the-horizon radar at the NRL's Chesapeake Bay Detachment U.S. Navy Relocatable Over-the-Horizon Radar station. The most common type of OTH radar, OTH-B (backscatter), [3] uses skywave or "skip" propagation, in which shortwave radio waves are refracted off an ionized layer in the atmosphere, the ionosphere, and return to Earth some distance away.

  6. Radiolocation - Wikipedia

    en.wikipedia.org/wiki/Radiolocation

    Radiolocation, also known as radiolocating or radiopositioning, is the process of finding the location of something through the use of radio waves.It generally refers to passive, particularly radar—as well as detecting buried cables, water mains, and other public utilities.

  7. ASR-11 - Wikipedia

    en.wikipedia.org/wiki/ASR-11

    Installing additional radar equipment to the same antenna is required for close range location and weather detection. The second advantage of using an ASR-11 is the radar's ability to utilize a pulse sequence diversity. This gives the radar system the capability to limit processing dwells to a small number of pulses.

  8. Galax Commercial Historic District - Wikipedia

    en.wikipedia.org/wiki/Galax_Commercial_Historic...

    Galax Commercial Historic District is a national historic district located at Galax, Virginia. The district encompasses 67 contributing buildings in the central business district of Galax. A few of the buildings are one-story storefronts, but a majority of the buildings are two-story commercial buildings with either apartments or offices ...

  9. Radar navigation - Wikipedia

    en.wikipedia.org/wiki/Radar_navigation

    Radar ranges and bearings can be very useful for navigation. Radar navigation is the utilization of marine and aviation radar systems for vessel and aircraft navigation.When a craft is within radar range of land or special radar aids to navigation, the navigator can take distances and angular bearings to charted objects and use these to establish arcs of position and lines of position on a ...

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