| 摘要 |
An apparatus is described for determining and recording a location of a vehicle and a hauling status of a load carried by the vehicle. Information describing the location of the vehicle is derived from an electromagnetic network that grids a work area of the vehicle. A device on-board the vehicle provides information regarding the hauling status of a load. Electronics on-board the vehicle determines the status of the vehicle's load at a particular location in the work area with respect to time. This information is stored as a historical event by correlating the status of the load with the location and time the status was determined. The electromagnetic network is created by a remotely located satellite-based or land-based system. In a particular embodiment of the invention, a weight of the load carried by the vehicle is reported to a remote site along with the location of the vehicle and the vehicle's identification code. An infrared communications device on-board the vehicle provides an electromagnetic link to a complementary device off the vehicle.
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