Two-Way Utility System Communications Using AM Broadcast Radio

An electric utility load management system functions optimally in direct proportion to the reliability of the communications system employed to transmit signals to and from the utility´s central control to the thousands or millions of receivers installed on customers´ appliances (water heaters, air conditioners, pumps, etc) throughout the utility´s service territory. The signal from the central control to a receiver on an appliance 100 miles away on the other side of a mountain range must be as readily detected as the signal to a receiver across the street from the central control.