The authors extend many thanks to Dr. Kyle Wiens, who developed the foundations of the display and HID software used for this method. The authors also thank Paul Hein, Natalie Tourville, Chris Lochra, and Dennis Flannigain, who assisted in many ways regarding the programming, data, and computer aspects of this study, and Dr. Larry Carey, Dr. Walt Petersen, Dr. Rob Cifelli, Pat Kennedy, and Dave Brunkow, who supported this project with discussions about different aspects of the data processing and interpretation. Cifelli and Kennedy additionally provided insightful reviews of the manuscript. This research was funded primarily by the NSF Information Technology Research Grant ATM-0121546 awarded to Colorado State University. This work was supported in part by the Engineering Research Centers Program of the National Science Foundation under NSF Award 0313747. The CSU–CHILL radar facility is sponsored by the NSF Cooperative Agreement ATM-0118021 and Colorado State University.
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