code: def cmd_tracker_calpress(self, args):
          '''calibrate barometer on tracker'''
          connection = self.find_connection()
          if not connection:
              print("No antenna tracker found")
              return
          connection.calibrate_pressure(f cmd_tracker_calpress(self, args):
          '''calibrate barometer on tracker'''
          connection = self.find_connection()
          if not connection:
              print("No antenna tracker found")
              return
          connection.calibrate_pressure()
docs: calibrate barometer on tracker