I have heard the ublox gps is supported. Can I just hook up an antenna and configure?
Yes, UART2 pins 3 and 4 connect tx and rx.
enable ublox in Baseflight on the config tab.
if you are using this one:
http://quadquestions.com/product/ublox-gps-case-compatible-qav250-naze32-gps/
set your com port to 115k
