More advanced version of picogps project - using ublox M9P dGPS and a pyboard
pyb: pyboard version:
  
  Version1:
  Computer Science dissertation project by Emily James
  University of SOuthampton, April 2021
  pyb - files that should be flashed or copied onto the microcontrollers - includes pyb screen code
  client - code run separately on a PC
  
  Version2:
  Sherif Attia, Ioannis Christou and Kirk Martinez 2022
  back to RTCM corrections
  Pyb forwards corrections so it can use the radio for results