The position given by a GPS alone gives a good idea of your location to a few meters. But this location is not precise enough to allow precision work. It requires a correction so that its precision get increased and usable in industrial work applications....
U-blox creates wireless semiconductors and modules for consumer, automotive and industrial markets. U-blox is a Swiss company that develops and sells chips and modules supporting global navigation satellite systems (GNSS), including receivers for GPS, GLONASS,...