Mechanically steered - 4+ antennas anticipated with operational deployment
Elevation
up to 60º
Power
750 kW
Multifunction Phased Array Radar (MPAR) was an experimental Doppler radar system that utilized phased array technology. MPAR could scan at angles as high as 60 degrees in elevation, and simultaneously track meteorological phenomena, biological flyers, non-cooperative aircraft, and air traffic. From 2003 through 2016, there was one operational MPAR within the mainland United States—a repurposed AN/SPY-1A radar set loaned to NOAA by the U.S. Navy.[2] The MPAR was decommissioned and removed in 2016.
NOAA and the FAA plan to eventually decommission their NEXRAD, TDWR and ASR radars in favor of several hundred phased array radars conceptually similar to MPAR.[3]
^Borowska, Lesya; Zhang, Guifu; Zrnić, Dusan S. (2015). "Considerations for Oversampling in Azimuth on the Phased Array Weather Radar". Journal of Atmospheric and Oceanic Technology. 32 (9): 1614–1629. Bibcode:2015JAtOT..32.1614B. doi:10.1175/JTECH-D-15-0018.1.
^"Multi-Function Phased Array Radar". NOAA National Severe Storms Laboratory. Retrieved 2019-02-02.
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