John Deere, SF6000 SF3 Activation, precision_ag, +/- 1.2" Horizontal Pass-to-Pass Accuracy, +/- 1.2" In-Season Repeatability, SF6000 Universal Display Activation, *Requires Additional SF3 Renewable License, , Upgrade your Accuracy and Repeatability of your SF6000 Receiver with SF3. Will Require a Renewable License in addition to this activation.