Supplemental information for "Comparison of Three Commercial Automatic Boom Height Control Systems for Agricultural Sprayers"

<div>The document includes:</div><div>- Figure S1: An annotated satellite map of the courses and tracks.</div><div>- The equations used to calculate the Herbst-modified Hockley Index (HHI) and Average HHI Differences</div><div>- Table S1: Tabulated results for Average HHI and HHI difference</div>