HEMISPHERE GPS

Global positioning system (GPS) for machine control, guidance, mapping and position control for terrestrial and aerial agricultural operations; global positioning system (GPS) receivers; global positioning system (GPS) position correction equipment, namely, electronic controls for correcting the position of the global positioning system; global positioning system (GPS) automatic steering systems comprising electronic controls for automatic steering of vehicles; global positioning system (GPS) geographic information systems (GIS); global positioning system (GPS) for marine navigation; global positioning system (GPS) for aviation navigation; and global positioning system (GPS) telematics, namely, satellite receivers and antennas