code: def find_time_base(self, gps):
          '''work out time basis for the log - PX4 native'''
          t = gps.GPSTime * 1.0e-6
          self.timebase = t - self.px4_timebasf find_time_base(self, gps):
          '''work out time basis for the log - PX4 native'''
          t = gps.GPSTime * 1.0e-6
          self.timebase = t - self.px4_timebase
docs: work out time basis for the log - PX4 native