Bob Hayes, president of Prevailing Wind Power, and Caltech professor John O. Dabiri discuss where to place a device that measures wind speed at the Caltech field test of turbines in the Antelope Valley. (Anne Cusack / Los Angeles Times)
Bob Hayes, left, president of Prevailing Wind Power, Caltech professor John O. Dabiri, and Caltech undergraduate students Quinn Mulligan and Brad Saund take down an anemometer -- a device that measures wind speed -- to move it to another location at Caltech’s field test turbines in the Antelope Valley. (Anne Cusack / Los Angeles Times)