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2.6 Automatic Hydrological Telemetry System
2.6.1 The necessity for setting up an automatic hydrological telemetry system shall be analyzed and demonstrated based on conditions as hydrological regime in the river basin and scale of the hydropower station，etc.
2.6.2 The design of automatic hydrological telemetry system mainly include telemetry station and network，means of communication，options of networking and cost estimate，etc.