An Algorithm to Reduce DGPS Error for Agricultural Vehicle Guidance

Investigators: Reza Ehsani, Lixin Lang, and Erdal Ozkan 

Accuracy and Availability of WAAS for Precision Agriculture

Investigators: Matthew Sullivan, Reza Ehsani, Joel T. Walker, Phil Levison, and Lixin Lang   t

Field Evaluation of Different Guidance Systems

Investigators: Reza Ehsani, Matthew Sullivan, Joel Walker, Tom Zimmerman   ....light bar guidance