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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]
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 ...
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.).
The majority of the buildings were built in the 1920s. Notable buildings include the old fire station (c. 1920), Colonial Theater (1930), Waugh Department Store (1904), Rex Theater (1938), and Galax Municipal Building (1908). [3] It was listed on the National Register of Historic Places in 2002, with a boundary increase in 2008. [1]
A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. [1] It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal.
Interstate 77 (I-77) in the US state of Virginia is a 67-mile (108 km) north–south Interstate Highway serving Hillsville, Wytheville, and Bland.Running parallel to US Route 52 (US 52), I-77 passes through the Big Walker Mountain Tunnel and East River Mountain Tunnel, the latter on the West Virginia state line and one of only two land vehicular tunnels to cross a state line.
RADARSAT-2 was constructed with several improvements over the RADARSAT-1 project, making it one of the most advanced radar imaging satellites in the world. [4] Some of the improvements over RADARSAT-1 include increased spatial resolution, multiple polarization filters, solid state recorders, and GPS receivers on board.
U.S. Route 221 (US 221) is a part of the U.S. Highway System that runs from Perry, Florida to Lynchburg, Virginia.In Virginia, the U.S. Highway runs 149.61 miles (240.77 km) from the North Carolina state line near Independence north to its northern terminus at US 29 Business, US 460 Business, and US 501 Business in Lynchburg.