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2. History of synthetic-aperture radar - Wikipedia

   en.wikipedia.org/wiki/History_of_synthetic...

   Although creating that radar was a more straightforward task based on already-known techniques, that work did demand the achievement of signal linearity and frequency stability that were at the extreme state of the art. An adequate instrument was designed and built by the Radar Laboratory and was installed in a C-46 (Curtiss Commando) aircraft ...

3. NSSL Doppler - Wikipedia

   en.wikipedia.org/wiki/NSSL_Doppler

   9.1 m. Azimuth. 360º. Elevation. 0°- 90°. Power. 500 kW. NOAA's 10 cm Doppler Weather Radar was a 10 cm wavelength S-band Doppler Weather Radar commonly referred to as NSSL Doppler, and was used to track severe weather and related meteorological phenomena. The radar became operational soon after its donation, collecting its first data in May ...

4. Doppler radar - Wikipedia

   en.wikipedia.org/wiki/Doppler_radar

   Doppler effect. The emitted signal toward the car is reflected back with a variation of frequency that depends on the speed away/toward the radar (160 km/h). This is only a component of the real speed (170 km/h). The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference ...

5. Joshua Wurman - Wikipedia

   en.wikipedia.org/wiki/Joshua_Wurman

   Raymond Pierrehumbert. Fred Sanders. Joshua Michael Aaron Ryder Wurman (born October 1, 1960) is an American atmospheric scientist and inventor noted for tornado, tropical cyclone, and weather radar research, the invention of DOW and bistatic radar multiple-Doppler networks.

6. Terminal Doppler Weather Radar - Wikipedia

   en.wikipedia.org/wiki/Terminal_Doppler_Weather_Radar

   A NEXRAD weather radar currently used by the National Weather Service (NWS) is a 10 cm wavelength (2700-3000 MHz) radar capable of a complete scan every 4.5 to 10 minutes, depending on the number of angles scanned, and depending on whether or not MESO-SAILS [7] is active, which adds a supplemental low-level scan while completing a volume scan ...

7. NOAA: Doppler radar indicates we may be underestimating ...

   www.aol.com/news/noaa-doppler-radar-indicates...

   Lyza's team went back and studied 105 tornadoes that passed very close to National Weather Service Doppler radar sites in various terrains. "(We) found that the radars were often finding wind ...