Recently, considerable interest in wireless telecommunications based on technology such as Global Systems for Mobile Communications (GSM) with GPRS/EDGE transmition network commercial is widely available. The wide spectrum of sensing elements and various detectors of a low energy consumption made development of advanced sensory networks for different applications possible [1-6,9,10]. In the paper an autonomous monitoring unit combined with an early warning system (EWS) for on-line control of environment is presented and discussed. The primary element is the sensory network composed of installations of measuring stations distributed over the required monitoring area. It is completed with basic service sets for data acquisition.
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