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<br />4_ ,; <br />. <br /> <br />- <br /> <br />control and automation. This evolution requires reliable 2-way communication and Ilow-cost <br />DC-powered units which can be retrofit on existing structures. <br /> <br />Encouraging water users to try real-time systems has been a technology transfer effort. To <br />make the transfer sustainable, PRO and USU have developed a process: (1) standardize <br />equipment and setup, (2) design systems so they can evolve, (3) make system modular, <br />(4) get users intimately involved with installation, (5) make man/machine interface USCf: <br />friendly, and (6) monitor service to customers. <br /> <br />Standardize Equipment and Setup. To simplify the effort and make it easier for <br />Reclamation and USU to support specific applications, we are trying to standardize <br />equipment. For example; each field station, no mater what its use, has a <br />datalogger/controller manufactured by a Utah firm, a VHF transceiver for two-way <br />communication to the base station, be it fixed and/or mobile, and a radio modem (S(~ <br />Photograph No.1). No matter what the application (except for early warning systems which <br />have special requirements), this is the basic configuration. <br /> <br />For the base station (which is the water user's access the real-time system), all that is <br />required is a VHF transceiver, a radio modem, a telephone modem, and a Personal <br />Computer. The systems are typically set up as shown in Figure 1. The radio-telephone <br />interface is important because it allows PRO and others to monitor systems and assist with <br />troubleshooting. <br /> <br />2 <br />