ucenter

The ucenter test program is a really simple program that echos the GPS data on the USB port. The data received on the USB port is sent on to the GPS. This way you can send control data to the GPS and you can process the GPS data in the u-blox u-center GPS program.

The ucenter RFzero program has nothing to do as such with the optional GPS connection on the bottom side of the RFzero board.