# Gauging GPS Payback Author: Jim.Robinson Published: 2009-08-03 Canonical URL: https://www.cottongrower.com/cotton-news/gauging-gps-payback/ --- Kansas State University offers a [spreadsheet tool](http://www.agmanager.info/farmmgt/machinery/default.asp) that helps to evaluate the benefits of a global positioning system. To download the spreadsheet, visit the [KSU site](http://www.agmanager.info/farmmgt/machinery/default.asp) by clicking on the link and selecting GPS Guidance under "Decision-Making Tools."