Abstract
The Advanced Technology Demonstrator (ATD) is located at the National Weather Radar Testbed in Norman, Oklahoma and is the first full-scale, S-band, dual-polarization, active, electronically scanned phased-array radar (PAR) for weather observations. The ATD leverages several prior investments to provide a flexible and affordable weather radar system with which to demonstrate and evaluate the PAR polarimetric performance. Since its installation, engineering teams from the National Severe Storms Laboratory, the University of Oklahoma, MIT Lincoln Laboratory, and General Dynamics Mission Systems have overcome important technical challenges and have made significant strides towards preparing the ATD to support engineering and meteorological research aimed at determining the feasibility of PAR technology for the next generation of operational weather-surveillance radars in the US.
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