A system and method is provided for remotely and automatically calibrating a mass-flow sensor in a yield monitor of a combine. The invention uses a wireless communication device installed on a combine and a remote wireless communication device installed on a grain carrier or truck carrier. Once an actual...http://www.google.com/patents/US7650734?utm_source=gb-gplus-sharePatent US7650734 - Automatic mass-flow sensor calibration for a yield monitor