We would like to recognize NRG Systems, Inc. for their support during the Windcube experiments, particularly the efforts of Mr. Evan Osler. Special thanks also to the research group led by Dr. Gene Takle at Iowa State University (ISU) for helping to deploy the Windcube in Iowa, and to both ISU and Dr. Jerry Hatfield of the National Laboratory for Agriculture and the Environment for supplying the flux station measurements. This paper benefited tremendously from the many valuable suggestions provided by Dr. Andrew Clifton of the National Renewable Energy Laboratory and three anonymous reviewers. Support for this effort was provided by the Department of Energy Wind and Hydropower Program’s “20% by 2030” program via a project managed by Dr. Jeff Mirocha at Lawrence Livermore National Laboratory. Skywatch Observatory is supported by the National Science Foundation under Grant DUE-0837388. The Windcube considered here was purchased by the University of Colorado at Boulder from NRG Systems, Inc.
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