In March and April 1980, DOE and NASA engineers determined that a two-cycle-per-second sound was generated by wind blowing through the blades.

Although the sound was twenty cycles below the range of human hearing, it caused windows and other objects to vibrate audibly.

[3] A group of Appalachian State University students calling themselves "Wooshies" mocked the turbine project in a class video and gained the attention of local and regional newspapers.

The abandoned turbine site on Howard Knob was handed over to the county to serve as a park "in perpetuity.

With unparalleled views of downtown Boone and the surrounding mountains, Howard Knob has often been targeted for residential development.